00674nam a2200181Ia 4500008004100000040000600041041001200047082000800059082001100067100002000078245006400098245002000162260001300182260001900195260000900214501002500223650024400248141004s9999    xx            000 0 und d  ca  aEnglish  a304  bHOL/GL  aJohn P  Holdren  aGlobal Ecology: Readings toward a rational strategy for man  cJohn P  Holdren  aNew york  bHarcourt Brace  c1971  a1A4                   aPhotosynthesis and fish production, Population, Global thermal pollution, Biology pesticides, geologic jeopardy, low dose radiation and cacer, Threatened species, psycho-social complications, population control and genocide, sane economics