000
00293nam a2200121Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
575
_b
SIN
100
_a
SINGLETON, W Ralph
245
0
_a
Elementary genetics.
260
_a
Toronto
_b
Van Nostrand
_c
1965
650
_a
Genetics
942
_c
BK
999
_c
20942
_d
20942