text s.l Pearson Education 2003 eng xxv,700p.:bibl.:illus.:ind 25 cm Roger Perman [et al ] Environmental Economics 333.7 333.7 Rog n 0-273-65559-0 INLIS000000000091549 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)