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008 111129s1977    xxu  a e|     |01 u eng   
020   $a0716700298
020   $a9780716700296
040   $aBibl. Dip.le Aggr. DiSTeBA - Sez. Biologia
082 0 $a301
100 1 $aEhrlich Paul R.$063723
245 10$aEcoscience :$bpopulation, resources, environment /$cPaul R. Ehrlich, Anne H. Ehrlich, John P. Holdren
264  1$aSan Francisco :$bW.H. Freeman,$c1977
264  4$ccopyright 1977
300   $axv, 1051 pages :$billustrations. ;$c25 cm
500   $aFirst- 2d ed. published under title: Population, resources, environment
504   $aIncludes bibliographical references and indexes
520   $aA comprehensive introduction to basic ecological principlees. Offers an expanded treatment of raw materials; a major section is devoted to energy problems; new coverage is given to geophysical and climatological aspects of the environment; and a provocative discussion of the possiblities of social, politcal, and economic change is also included.
650  4$aPopulation
650  4$aPollution
650  4$aHuman ecology
700 1 $aEhrlich Anne$eauthor$4http://id.loc.gov/vocabulary/relators/aut$063724
700 1 $aHoldren John P.
912   $a991004264037807536
996   $aEcoscience$93376293
997   $aUNISALENTO