Standard methods for examination of water and wastewater.

Manylion Llyfryddiaeth
Awduron Corfforaethol: American Public Health Association, American Water Works Association, Water Pollution Control Federation
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, DC American Public Health Association 1976
Rhifyn:14th ed.
Pynciau: