000
00274nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Roberts
245
0
_a
Plant hybridization before mendel
260
_b
Hafner pub
260
_c
1965
365
_b
74.63
942
_c
BK
999
_c
199691
_d
199691