00306nam a2200097Ia 4500008004100000082002300041100002100064245007400085260004100159300000800200140113s9999    xx            000 0 und d  a575.486+575.2   L2  a"Williamson, M."  aAnalysis of biological populations (Special topics in biology series)  a1972bEdward Arnold(Pub)Ltd.cLondon  a180