E. L. Jeffers

Automated water monitor system field demonstration test report. Volume 1: Executive summary

Richard L. Brooks, E. L. Jeffers, J. Perreira, 1981 .

Process Control Water Quality Monitor for Space Station Freedom - Development Update

J. Novotny, E. L. Jeffers, 1992 .

Development of the process control water quality monitor for space station freedom

E. L. Jeffers, C. D. Jolly, 1991 .

NASA JSC water monitor system: City of Houston field demonstration

D. H. Fricks, E. L. Jeffers, R. E. Taylor, 1979 .