00274nam a2200109 a 450000500170000002000150001708200200003210000220005224500260007426000360010030000280013620251203091750.0  a0632038616  a575.13,bD, LEA  aLeach, David R.F.  aGenetic recombination  aOxfordbBlackwell Sciencec1996  aviii, 192p.c26 cm.bPB