00298nam a2200121Ia 450000500170000000800410001704100120005808200150007010000180008524500490010326000150015230000090016720241122224304.0241122s9999||||xx |||||||||||||| ||und|| aEnglish a333.7bSTA aKumar, Puspam 0aEconomics of the environment and development bAnnec2005 a340p