C.V. Cogbill
Butler, Tom, C.V. Cogbill, and Gene E. Likens. 1984. “Effect Of Climatology On Precipitation Acidity”. Bull. Am. Meteorol. Soc. 65: 639-640.
Cogbill, C.V., Gene E. Likens, and Tom Butler. 1984. “Uncertainties In Historical Aspects Of Acid Precipitation: Getting It Straight”. Atmospheric Environment 18: 2261-2270.