00688 2200205 4500001002100000008004100021035002000062245013300082100003100215260005300246300005500299020001800354084001700372520001600389082001400405650001800419650002100437650001100458990001300469INLIS000000000013621 Ind  a0010-1118013621 aINCENTIVES in water quality management France and the ruhr areacINCENTIVES in water quality management France and the ruhr area aBlair T. Bower ...[et al.] aWashington, D.C.bResources for the Futurec1981 axv, 301 p.: ill.; 25 cm.cxv, 301 p.: ill.; 25 cm. a0-8018-2661-6 a628.1(44)INC aIncl. Bibl. a628.1(44) aWATER QUALITY aWATER MANAGEMENT aFRANCE a934/2002