000
00309nam a2200133Ia 4500
008
230108s9999 xx 000 0 und d
100
_a
"Hayes H.K. etc.,"
245
0
_a
Methods of Plant Breeding ed.2.
260
_b
McGraw - Hill
260
_c
1955
365
_b
0.00
650
_a
Breeding
942
_c
BK
999
_c
242981
_d
242981