00285nam a2200109Ia 450000500170000000800410001708200160005810000190007424500280009326000460012130000080016720260224040857.0260224s9999||||xx |||||||||||||| ||und||  a628.501 MAN  aManahan, S.E.  0aEnvironmental chemistry  aBoca Raton: FL : Lewis Publishers, c1999  a898