Comparison of chemical and bacteriological examinations made on the Illinois River during a season of low and a season of high waterRobert Edman Greenfield · First published 1925Open the Tome
Comparison of chemical and bacteriological examinations made on the Illinois River during a season of low and a season of high water -1923-1924Robert Edman Greenfield, Arthur M. Buswell, George Alfred Weinhold · First published 1924Open the Tome
The investigation of the chemical reactions in water purification using the hydrogen electrodeRobert Edman Greenfield · First published 1922Open the Tome