=LDR 22 4500 =001 3825 =082 04$a333.70947 GER =100 1\$aGerasimov, I. P. =245 10$aNatural resources of the Soviet Union: their use and renewal =260 \\$bW. H. Freeman and Co.,$c1971 =650 \0$aBooks =700 1\$aYefron, K. M. =700 1\$aArmand, D. L. =852 \\$bFreeman Library$h333.70947 GER$zNot located