00559nam172200181   4500 090001000000200005800010205001200068210005500080215004100135101002900176035001800205010002000223700001700243606002500260606001900285687000800304801006500312  9969921 aBiology of freshwater pollutionfC. F. Mason,...bLIV  a3rd ed.  aHarlow (England)cAddison Wesley Longman Ltdd1998  axii-356 p.cill., couv. ill.d24 cm.  a†eng‡anglaiscenggeng  aDYNIXNCP21034  a0582247322bPbk 1aMasonbC. F.  aBiologie d'eau douce  aEauxPollution  aADO  aOriginal Takeon from Library Cataloguef114232c20000307dBB