STUDY OF THE POLLUTION AND NATURAL PURIFICATION OF THE ILLINOISRIVER;PT 1: SURVEYS AND LABORATORY STUDIES.

Por HOSKINS J K., RUCHHOFT C C., WILLIAMS L G.
Publicado em C192

Studies of Bacterial Population During Sludge Digestion

Por Ruchhoft, C. C., Kallas, J. G., Edwards, G. P.
Publicado em 1930

Coli-Aerogenes Differentiation in Water Analysis

Por Ruchhoft, C. C., Kallas, J. G., Chinn, Ben, Coulter, E. W.
Publicado em 1931

Coli-aerogenes Differentiation in Water Analysis: II. The Biochemical Differential Tests and Their Interpretation

Por Ruchhoft, C. C., Kallas, J. G., Chinn, Ben, Coulter, E. W.
Publicado em 1931

The Disappearance of the Coli-aerogenes Group in Natural Purification Processes as Determined by Direct Plate Counts

Por Ruchhoft, C. C., Coulter, E. W., Adams, C. L., Sotier, A. L.
Publicado em 1933