TY  - BOOK
AU  - Lockhart J A R
AU  -  Wiseman A J L
TI  - Introduction to crop husbandry
T2  - Commonwealth and international library
U1  - J, L02 
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press        
KW  - Agriculture
N1  - Appendix 273-274p
ER  -