000 00259nam a2200097Ia 4500
100 _aMuller-hill B
245 _aLac Operan : A Short History Of A Genetic Paradigm
260 _bWalter De Gruyter, Germany
082 _aG:6/N96/B22437
300 _app 207; 23*15
999 _c17440
_d17440