00319nam a2200133 a 450000500170000002000150001708200150003210000220004724500220006925000120009126000340010330000260013763000220016320251203091334.0  a0867200693  a572.8bFRE  aFreifelder, David  aMolecular Biology  a2nd ed.  aDelhibJones & Bartlettc1987  axxiv, 834p, 24 cmbHB  aMolecular Biology