TY  - BOOK
AU  - P.F. Wareing
AU  -  J.P. Cooper, 
TI  - Potential crop production : A case study
SN  - 0 435 62990 5
U1  - 633 
PY  - 1971///
CY  - London
PB  - Heinemann Educational Books
N1  - P.F. Wareing & J.P. Cooper: Potential crop production : A case study.  London.  Heinemann Educational Books, 1971. 0 435 62990 5--(633WAR)
ER  -