00681    a2200217   4500260001400000100001600014260001700030300001400047245013700061650001800198650001800216650001600234300002600250260000900276130000700285651001000292690001700302020001900319999001700338952010800355  aRotterdam  aGROVE, A.T.  bA.A. Balkema  axi-331 p.  aThe Niger and its neighbours : environmental history and hydrobiology, human use and health hazards of the major West African rivers  aEnvironnement  aHydrobiologie  aCours d'eau  bill.; 24 cm. - Index.  c1985  lEn  aNiger  aFleuve Niger  a90-61-91-512-0  c27633d27633  00104070aBIDOCbBIDOCd0000-00-00l0oAGE.1985.001r2009-02-28 00:00:00t1w2009-02-28yLIVRzA.7052