000 00431nam a2200145Ia 4500
008 231101s9999 xx 000 0 und d
020 _a0-7506-1512-5
082 _a660.6
_bOUT
100 _aOpen Universiteit and Thames Polytechnic
245 0 _aBiotechnological innovations in crop improvement
260 _bButterworth-Heinemann
_aOxford
_c1991
300 _ax, 290p. p.
650 _aBiotechnology-Crop improvement
942 _cBK
999 _c5431
_d5431