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1Argitaratua 1966### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : Dŭrzhavno izd-vo "Tekhnika", 1966-v. : ill. ; 22 cm.“...Vissh minno-geolozhki institut...”
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2Argitaratua 1978### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : VMGI, 1978.389 p. ; 22 cm.“...Vissh minno-geolozhki institut...”
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3Argitaratua 1965### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : The Institute, 1965.507 p. : ill., charts, maps.“...Vissh minno-geolozhki institut. Nauchnoizsledovatelski sektor...”
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4Argitaratua 1968### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : [s. n.], 1968.2 v. : ill. (some in pocket), maps (some fold.)“...Vissh minno-geolozhki institut. Nauchna sesi︠i︡a...”
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5Argitaratua 1981### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : Vissh minno-geolozhki in-t, 1981.4 v. : ill. ; 20 cm.“...Vissh minno-geolozhki institut...”
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6Argitaratua 1978### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : Vissh minno-geolozhki in-t--Sofi︠i︡a, 1978.4 v. : ill. ; 22 cm.“...Nauchna konferen︠t︡si︠i︡a po minno delo i geologi︠i︡a "25 godini Vissh minno-geolozhki institut...”
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7Argitaratua 1983### CRL customization ### ?> ### Add publisher and desc details ### ?>Sofi︠i︡a : Vissh minno-geolozhki in-t, Sofi︠i︡a, 1983.5 v. : ill. ; 20 cm.“...Vissh minno-geolozhki institut...”