http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Environmental requirements of selected estuarine ciliated protozoa
National Environmental Research Center (Corvallis, Or.)
Includes bibliographical references (pages 44-48).
Prepared for National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency under grant 18080 FBW Program element 1BA022
Research reporting series. EPA-660/3-74-031