00504nam a2200157 a 450000500170000008200240001710000220004124500540006326000330011730000220015069000450017296400250021799700180024299900170026095200690027720251203091559.0  a575.120724,bD, kri  aKriegler, Michael  aGene transfer and expression: a laboratory manual  aNew YorkbW.H. Freemanc1990  axiv, 242p, 25 cm.  aGenetic transformation-Laboratory manual  bEngc100de010fg_  a65197 LIBSC C  c45226d45226  00104070aPUbPUd1998-04-08l0o575.120724, D, krip65197yBK