Laboratory guide for sewage works operators
Publisher: Pennsylvania Sewage Works Assn.
Published: 1946
Place of publication: [s.l.]
Language: eng
Number of pages: 92
Subjects: Sewage disposal
Notes: Modified and rewritten from the origianl notes and outlines presented by the laboratory instructors in the Pennsylvania short course for sewage works operators, St. Joseph's College, 1945. cf. preface.

"References": p. 89.