000			00328nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a591.1
100			_aHadorn,Ernst
245			_aDevelopment genetics and lethal factors.
260			_aLondon _bMethuen _c1961
300			_a355
650			_aZoological Sci.
942			_2ddc _cBK
999			_c1480 _d1480