000 00316nam a2200133Ia 4500
008 160316s1982 xxu||||| |||| 00| 0 eng d
020 _a
100 _aR H M Langer
245 _aAgricultural Plant
250 _a1
260 _aCAMBRIDGE
_bCAMBRIDGE UNIVERSITY PRESS
_c1982
300 _a344
700 _aG D Hill
_a
999 _c25517
_d25517