Microscopic analysis of plankton, periphyton, and activated sludge /
Microscopic analysis of plankton, periphyton, and activated sludge /
US Environmental Protection Agency.
- [Washington] : US Environmental Protection Agency, 1976.
- [S.p.] : il. ; 27 cm.
Inglés
Plancton Perifiton
578.776
Inglés
Plancton Perifiton
578.776