00262nam a2200109 a 450000500170000002000150001708200150003210000150004724500310006226000340009330000250012720251203091816.0  a1872748007  a572.8bMOL  aBrown, T.A  aMolecular biology: Lab fax  aOxfordbBIOS Scientificc1991  axiv,321p.c22cm.bHB