00265nam a2200097Ia 4500008004100000082002300041100002300064245003900087260003300126300000800159140113s9999    xx            000 0 und d  a575.1[578.08]   J1  a"Mather, Kenneth."  aMeasurement of linkage in Heredity  a1951bMethuen & SonscLondon  a149