00256nam a2200097Ia 4500008004100000082002100041100001700062245003800079260003300117300000800150140113s9999    xx            000 0 und d  a575.1:574.1   L5  a"Ford, E.B."  aEcological Genetics  4th edition   a1975bChapman & HallcLondon  a442