00335nam a2200133   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010424500510012626000240017736106UR20220427193806.0061105|||||||||||||||||||||||||||||||| d  a(janium) 36095  a(janium)36093 4aHD75.6b.V36 199310aValuing the earthb : economics ecology ethics  bThe Mit Pressc1993