@book{bhlitem23911, title = {A guide to the common diatoms at Water Pollution Surveillance System stations }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/23911}, note = {https://www.biodiversitylibrary.org/bibliography/4764}, publisher = {Cincinnati, United States Dept. of the Interior, Federal Water Pollution Control Administration, Water Pollution Surveillance, 1966}, author = {United States. Federal Water Pollution Control Administration.}, year = {1966}, pages = {110}, keywords = {Diatoms|United States}, }