Online Public Access Catalogue (OPAC)
Library,Documentation and Information Science Division

“A research journal serves that narrow

borderland which separates the known from the unknown”

-P.C.Mahalanobis


Coal industry of the USSR, pt 1 & 2


Report by the Technical Mission of the National Coal Board; Content: Appendix 1(1957)-6(1958) Coal industry Mining carbonaceous minerals

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