000
00302nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Watrim williams
245
0
_a
Genetical principles and plant breeding
260
_b
Blackwell scientific pub
260
_c
1964
365
_b
63.00
942
_c
BK
999
_c
197518
_d
197518