00480nam a2200157 a 450000500170000008200190001710000150003624500680005126000350011930000280015449000410018263000260022363000280024963000190027763000260029620251203090533.0  a628.50154bHAN  aCraig P.J.  aNatural environment and the biogeochemical cycles Vol.1 Part A.  aBerlinbSpringler Verlagc1980  axiv, 258 p.c22 cm.bHB  aHandbook of Environemental chemistry  aBiogeochemical cycles  aEnvironmental chemistry  aSoil chemistry  aChemical oceanography