Citation: Sw. Fisher et al., Lethal and sublethal body residues for PCB intoxication in the oligochaete, Lumbriculus variegatus, AQUAT TOX, 45(2-3), 1999, pp. 115-126
Citation: Sw. Chordas et Pl. Hudson, A list of Michigan Corixidae (Hemiptera) with four new state records from the Great Lakes of Michigan, ENT NEWS, 110(4), 1999, pp. 246-250