00311nam a2200109 a 450000500170000002000150001708200180003210000220005024500650007226000440013730000200018120251203092003.0  a0123977207  a572.8078bKAR  aKarcher, Susan J.  aMolecular biology: a project approach, Susan J. Karcher, eng  aLoNew Delhion, Academic Press, GBc1995  axxi,280p.c20cm