TY  - BOOK
AU  - Hay,R.K.M.
TI  - Chemistry for agriculture and ecology :a foundation course / (Acc:322): a foundation course 
SN  - 0632006994
U1  - 540 HAY 22
PY  - 1981///
CY  - Oxford, England
PB  - Blackwell
KW  - Agricultural chemistry
KW  - Agricultural ecology
ER  -