Volume 90, Number 4 (1983)

Issue cover date: December 1983

Front Matter

General Interest Article



Energy Efficiency Ratios of Surface Mining Systems for a Small Iowa Coal Mine p. 128-131
T. S. Colvin, S. J. Marley, and C. E. Anderson


The Measurement of pO2 by O2 Electrode in the Presence of Changing pCO2 p. 141-143
Ellen M. Lackermann, Ferdinand Kreuzer, G. Edgar Folk Jr., and Hans-Peter Kimmich

Back Matter