000 00307nam a2200133Ia 4500
008 160316s1982 xxu||||| |||| 00| 0 eng d
020 _a0521224500
100 _aR. H. M. Langer
245 _aAgr. Plants
250 _a1st
260 _aLONDON
_bCAMBRIDGE UNIV . PRESS
_c1982
300 _a343
700 _a
_a
999 _c34936
_d34936