000 00306nam a2200121Ia 4500
008 230907s9999 xx 000 0 und d
082 _bJOH/N
_a570.72
100 _aJOHNSON, M.L.
245 0 _aNEW BIOLOGY
260 _b LONDON, PENGUIN BOOKS
_c1956
650 _aGenetics and Plant Breeding
942 _cBK
999 _c12174
_d12174