1. Handbook of water and wastewater treatment plant operations /Frank R. Spellman.
پدیدآورنده :
کتابخانه: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
موضوع : Water treatment plants,Sewage disposal plants,Water--Purification,Sewage--Purification
رده :
TD
434
.
S64
2009
cd
2. Spellman's standard handbook for wastewater operators /Frank R. Spellman.
پدیدآورنده :
کتابخانه: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
موضوع : Sewage disposal--Employees--Certification--United States,Sewage disposal plants--United States
رده :
TD523
.
S67
2011
3. The science of environmental pollution /Frank R. Spellman.
پدیدآورنده :
کتابخانه: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
موضوع : Pollution.,Environmental sciences.
رده :
TD
174
.
S675
2010
