Authors: HELSEL DR GERBER DT ENGEL S

Citation: Dr. Helsel et al., COMPARING SPRING TREATMENTS OF 2,4-D WITH BOTTOM FABRICS TO CONTROL ANEW INFESTATION OF EURASIAN WATERMILFOIL, Journal of aquatic plant management, 34, 1996, pp. 68-71

Authors: GERBER DT EHLINGER TJ LES DH

Citation: Dt. Gerber et al., AN IMAGE-ANALYSIS TECHNIQUE TO DETERMINE THE SURFACE-AREA AND VOLUME FOR DISSECTED LEAVES OF AQUATIC MACROPHYTES, Aquatic botany, 48(2), 1994, pp. 175-182

Authors: GERBER DT LES DH

Citation: Dt. Gerber et Dh. Les, COMPARISON OF LEAF MORPHOLOGY AMONG SUBMERSED SPECIES OP MYRIOPHYLLUM(HALORAGACEIIE) FROM DIFFERENT HABITATS AND GEOGRAPHICAL DISTRIBUTIONS, American journal of botany, 81(8), 1994, pp. 973-979