00272nam a2200109Ia 450000500170000000800410001708200140005810000180007224500220009026000420011230000080015420260224040940.0260224s9999||||xx |||||||||||||| ||und||  a572.2 WEA  aWeaver, R.F.  0aMolecular biology  aBoston : Mc-Graw Hill Book Co. c2002  a858