00289nam a2200121 a 450000500170000002000150001708200240003210000200005624500340007626000220011030000220013249000130015420251203091746.0  a019963419X  a574.873282,bD, Nei  aNeidle, Stephen  aDNA structure and recognition  aOxfordbOUPc1994  aix, 108p.c23 cm.  aIn focus