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"Coal mines and mining" » "Coal eines and mining" (Expand Search)
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"Coal mines and mining" » "Coal eines and mining" (Expand Search)
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1by Radunović, Dragutin
Published 1970Beograd : Institut za ekonomska istraživanja, 1970.vi, 164, [1] pages ; 24 cm.Subjects: “...Coal mines and mining Labor productivity....”
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2by Spasić, Novica
Published 1969Priština, Zajednica naučnih ustanova Kosova, 1969.158 p. with illus. 24 cm.Subjects: “...Coal mines and mining Yugoslavia Kosovo Coal Basin....”