00491nam a2200169Ia 4500008004100000020001800041082001600059100002400075245005000099260004100149300000800190650003300198650002000231653002700251700002300278700002000301170901s2009    xx            000 0 und d  a9781412947053  a363.7bG80E  aGregory, Kenneth J. 0aEnvironmental SciencesbA Student's Companion  aLos AngelesbSage Publicationsc2009  a441  aSocial problems and services  aSocial sciences  aEnvironmental sciences  aBrazel, Anthony J.  aSimmons, Ian G.