00485nam a2200157Ia 4500003000600000005001700006008004100023020001800064040002500082082002700107100001800134245005000152260004700202300002600249500005200275NORSU20240418015142.0240215s9999    xx            000 0 und d  a0-471-98287-3  aNORSU-DumcNORSU-Dum  aGR/628.501543/D34/1998  aDean, John R. 0aExtraction Methods for Environmental Analysis  bJohn Wiley & Sons, Ltd.c1998aChichester   ax, 225 pages;  23 cm.  a includes bibliographical references and index.