Verhoef-Verhallen, Esther J.J. . Complete encyclopedia of tropical Fish: includes how to keep feed and care for your tropical fish / by Esther J.J. Verhoef-Verhallen. - Netherlands : REBO Publishers , 1997 - 255p ; ISBN: 90-366-1516-X Subjects--Topical Terms: Tropical Fish- Encyclopedia Dewey Class. No.: K92k / L7