00397nam a2200121Ia 4500008004100000082001800041100002000059245005200079260003400131365000600165630005200171730005200223100415s9999    xx            000 0 und d  b19763a591.52  aANDREWARTHA, HG  aIntroduction to the Study of Animal Populations  aLONDONc1961bMETHUEN AND CO.  b0  aIntroduction to the Study of Animal Populations  aIntroduction to the Study of Animal Populations