00377nam a2200121Ia 4500008004100000082001700041100002100058245002500079260004800104300001000152630001800162650007500180211109s9999||||xx |||||||||||||| ||und|| a576.5bWEL-D aWells, Kenneth M 0aDemographic Genetics bDowden, Hutchinson&rossaPennsylvaniac1975 a414p. xgeneral stack asciencevnatural science and mathematicsxgenetics and evolutionBotany