TY  - BOOK
AU  - R.H.M. Langer
AU  -  G.D. Hill, 
TI  - Agricultural plants
SN  - 0 521 29506 8
U1  - 633 
PY  - 1982///
CY  - Cambridge
PB  - Cambridge University Press
N1  - R.H.M. Langer & G.D. Hill: Agricultural plants.  Cambridge.  Cambridge University Press, 1982. 0 521 29506 8--(633LAN)
ER  -