TY  - BOOK
AU  - John Percival
TI  - Agricultural botany
U1  - 581 
PY  - 1946///
CY  - London
PB  - Duck Worth & Co Limited
N1  - John Percival: Agricultural botany.  (8th Edition.)  London.  Duck Worth & Co Limited, 1946.--(581PER)
ER  -