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English language
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41by Kovachevski, Ivan
Published 1965Sofi︠i︡a : Izd-vo na Bŭlgarskata Akademi︠i︡a na naukite, 1965.79 p. : ill. ; 24 cm.“...Izd-vo na Bŭlgarskata Akademi︠i︡a na naukite,...”
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42Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,v. ; 24 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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43Rastenievŭdni nauki = Plant scienceРастениевъдни науки = Plant science /Published 1965Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1965-v. : ill. ; 24 cm.Also issued online.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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44Published 1966Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1966.123 p., [8] p. of plates : ill., col. plates.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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45by Ermenkova, Lidi︠i︡a
Published 1984Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1984.280 p. : ill., ports. ; 21 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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46Published 1966Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1966.165 p. : ill.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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47by Kovachev, Velcho Vŭlkov
Published 1986Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1986.425 p., [32] p. of plates : ill. ; 25 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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48Published 1968Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1968-1971.v. : ill.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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49Published 1966Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1966.87 p., [2] folded leaves : ill., maps ; 24 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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50Published 1960Sofii︠a︡ : Izd-vo na Bŭlgarskata akademii︠a︡ na naukite, 1960-1966.8 v. : ill., ports., maps (part fold.) ; 25 cm.“...Izd-vo na Bŭlgarskata akademii︠a︡ na naukite,...”
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51by Straka, Fridrikh
Published 1967Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1967.109 p. : ill. ; 22 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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52Published 1968Sofia : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1968-1987.20 v. : ill. ; 25 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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53by Penev, Nikola
Published 1966Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1966.190 p. : ill., maps.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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54by Iliev, Ivan, st.n.s
Published 1964Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1964.246 p. : ill. ; 21 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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55by Ned︠i︡alkov, Simeon
Published 1967Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1967.182 p. : ill.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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56by Timova, L. (L︠i︡uba)
Published 1964Sofi︠i︡a : Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1964.60, [2] p. : ill., maps : 20 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”
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57Sofi︠i︡a, Izd-vo na Bŭlgarskata akademi︠i︡a na naukite.3 v. ill.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite....”
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58[Sofii︠a︡, izd-vo na Bŭlgarskata akademii︠a︡ na naukite]ill. 24 cm.“...izd-vo na Bŭlgarskata akademii︠a︡ na naukite]...”
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59Published 1966Sofii︠a︡ : Izd-vo na Bŭlgarskata akademii︠a︡ na naukite, 1966-1984.19 v. : ill. ; 25 cm.Also issued online.“...Izd-vo na Bŭlgarskata akademii︠a︡ na naukite,...”
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60Published 1965Sofi︠i︡a, Izd-vo na Bŭlgarskata akademi︠i︡a na naukite, 1965.167 p. illus. 20 cm.“...Izd-vo na Bŭlgarskata akademi︠i︡a na naukite,...”