Books by Douglas Grant Smith
Pennak's Freshwater Invertebrates of the United States
Surface- and ground-water qual
Surface- and ground-water quality data at selected landfill sites in Mecklenburg County, North Carolina, 1979-92
The potential for spread of th
The potential for spread of the exotic zebra mussel (Dreissena polymorpha) in Massachusetts
Keys to the freshwater macroin
Keys to the freshwater macroinvertebrates of Massachusetts