000 00432nam a2200145Ia 4500
008 140316s9999 xx 000 0 und d
020 _a
082 _a631.521
_bDOU/SE
100 _aDouglas,Johnson E
245 _aSeed production manual:prepared especially for use in seed improvement training courses
260 _a
_bNational seeds corporation and the rockefeller foundation
_c
300 _a237
650 _a
942 _2ddc
_cBK
999 _c5000
_d5000