00299nam a2200121Ia 450000500170000000800410001704100080005808200150006610000160008124500290009726000420012630000090016820260720174539.0260720s2004    xx            000 0 und d  aeng  a372.8 KARE  aKarpagam, M  aEnviournmental economics  aNew DelhibSterling Publicationc2004  a363p