000 00275nam a2200121Ia 4500
001 23731
008 170722s9999 xx 000 0 und d
100 _aClowes, Rc
245 _aExperiments in microbial genetics. /
260 _c1968
700 _aAnd Hayes, W,
942 _cGEN
999 _c3191
_d3191