TY  - SER
TI  -  African soils
U1  -  PER 631.49605 A3 
PY  - 1951///-
CY  -  London : 
PB  -  The Permanent Soils Bureau, 
KW  -  Soils
KW  -  Addresses, essays, lectures
N1  -  1956-1968 Published by the Inter-African Bureau
ER  -