000
00279nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Kenmeth J.Fraj
245
0
_a
Plant breeding
260
_b
Jowa State university press
260
_c
1967
365
_b
46.55
942
_c
BK
999
_c
196343
_d
196343