TY  - BOOK
AU  - Jones,M.J.
AU  - Wild,A.
TI  - Soils W.Afric.Savanna.Maintenance & improvement of their fertility
PY  - 1975///
PB  - Techn.Commun.55,Commonw.Bur.Soils,Harpenden;Slough,C.A.B.,246pp.
ER  -