TY  - BOOK
AU  - Whipple, George Chandler
TI  - The microscopy of drinking water
U1  - 628.162 21st ed.
PY  - 1914///
CY  - New York
PB  - John Wiley
KW  - Water
KW  - Water-Analysis
KW  - Water-purification
N1  - 393-409 includes index; With a chapter on The use of the microscope by John W.M. Bunker
ER  -