text London Oxford University Press 1956 2 nd ed Ind vi, 367 p.: ill.; 21 cm. vi, 367 p.: ill.; 21 cm. IRVINE, F.R. SOILS CROPS WEST AFRICA 631.4 631.4IRVt INLIS000000000011053 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)