1. Effect of low pH on the survival and emergence of aquatic insects;Bell;Water Res.,1971
2. Preliminary studies on the tolerance of aquatic insects to low pH;Bell;J. Kansas Entomol. Soc.,1969
3. The Mayflies of Florida;Berner,1988
4. The first international symposium on acid precipitation and the forest ecosystem;Dochinger,1976
5. Specific inhibition of hatching in amphibian embryos at low pH;Dunson;J. Herpetol.,1982