00540nam a2200157Ia 4500008004100000010001400041020001600055040001700071082002300088100002300111245005100134260003200185300001600217440007600233650007300309190328s9999||||xx |||||||||||||| ||und||  a78-139551  a07-016592-0  aNITILcNITIL  221sta614.7bD483M  aDetwyler, Thomas R 0aMan's impact on environmentcThomas R Detwyler  aNew YorkbMcGraw-Hillc1971  axiii, 731p.  aMcgraw-Hill series in georgraphy/ed. by Edward J Taaffe and John W Webb  aHuman ecology; Social ecology; Human beings-Effect of environment on