00553nam a2200181 i 4500008004100000020001500041040000800056082001500064100001800079245009300097260003600190300003000226336002600256337002800282338002700310500002000337650001400357250829s1991    xx ado        001 0 und d  a0340524154  aGCL  a333.7bSIM10asimmons, I.G 10aEarth,Air and Water :bResources and Envoirnment in the Late 20th century /cI.G simmons  bEdward Arnold,aLondon :c1993.  a254 pAGES :bpbk.c25 cm.  atextbtxt2rdacontent  aunmediatedbn2rdamedia  avolumebnc2rdacarrier  aIncludes Index.  aGeography