00693cam a2200229 a 4500008004100000020002300041100001600064245008700080260002900167300005000196440004000246500002000286504004100306650002200347650001100369650001200380650002000392650002400412003000100436005001700437040000900454                                          a0340691670 (Pbk. )1 aSmol, J. P.10aPollution of lakes and rivers :ba paleoenvironmental perspective /cJohn P. Smol.  aLondon :bArnold,c2002.  axxiv, 280 p. :bill., maps, 1 port. ;c26 cm. 0aKey issues in environmental change.  aIncludes index.  aIncludes bibliographical references. 0aWaterxPollution. 0aLakes. 0aRivers. 0aPaleolimnology. 0aSediments (Geology)20230123134453.0  cNUST