00377nam a2200145Ia 4500008004100000020001500041082001900056100001500075245003800090260003700128300000800165650001800173650001800191653002200209170901s1971    xx            000 0 und d  a0091041910  a575.0162bC56C  aCook, L.M. 0aCoefficients of Natural Selection  aLondonbHutchinson and Co.c1971  a207  aLife sciences  aPure Sciences  aNatural selection