00593nam a2200181Ia 4500008004100000082001800041100001700059245002500076260004500101300000900146600004900155600003400204600003300238650001800271942000700289952009800296999001700394140224s9999    xx            000 0 und d  a632.5(204) L3  aWeldon, L.W.  aCommon aquatic weeds  aNew YorkbDover publications, Inc.c1973  a43p.  a L.W.Weldon, R.D.Blackburn and D.S.Harrison.  aBlackburn, R.D., joint author  aHarrison, D.S., joint author  aAquatic weeds  cBK  00104070aKSDbKSDd2014-02-24l0o632.5(204) L3p1951r2014-02-24 00:00:00w2014-02-24yBK  c92333d92333