00683nam a2200241 a 4500 3742379 BD-DhUL 20150115142602.0 820804s1969 fr af b i000 0 eng 81185310 DLC DLC DLC BD-DhUL QH84.8 .S634 631.46 19 UNS Soil biology : reviews of research. Paris : Unesco, 1969. 240 p., [4] p. of plates : ill. ; 27 cm. Natural resources research ; 9 Includes bibliographies. Soil biology. Unesco. 7 cbc orignew 3 ncip 19 y-gencatlg ddc BK 31637 31637 0 0 ddc 0 631_460000000000000_UNS 0 NFIC 59655 DUSL DUSL GEN 2015-01-15 Purchased 631.46 UNS A134940 2015-01-15 2015-01-15 BK