00311nam a2200121Ia 4500008004100000082001700041100002200058245002500080260002800105300001400133600002100147650002100168140224s9999    xx            000 0 und d  a575.9:411 M1  aMarcell, David J.  aEcological genetics.  aLondonbLongmancc 1981  axii,500p.  aDavid J. Marcell  aGenetics,Ecology