Julien, M.W. Biological control of water hyacinth / M.H. Julien, M.W. Griffith s and A.D. Wright - Canberra : Australian Centre for International Agricultural Resea rch, 1999. - 87 p. ; 26 cm. ISBN: 1863202676 Subjects--Topical Terms: Water hyacinth. Dewey Class. No.: 584.32 JUL