- Author: Frank R. Spellman
- Language: English
- Year: 2007
- Author: Frank R. Spellman
- Language: English
- Year: 2000
- Author: Frank R. Spellman
- Language: English
- Year: 2009
- Author: Frank R. Spellman
- Language: English
- Year: 2007
- Author: Frank R. Spellman
- Language: English
Spellman's Standard Handbook for Wastewater Operators: Volume I, Fundamental Level, Second Edition
pdf
- Author: Frank R. Spellman
- Language: English
- Year: 2010
Spellman's Standard Handbook for Wastewater Operators: Volume II, Intermediate Level, Second Edition
pdf
- Author: Frank R. Spellman
- Language: English
- Year: 2010
- Author: Frank R. Spellman Joanne Drinan
- Language: English
- Year: 2001
- Author: Frank R. Spellman
- Language: English
- Year: 2010
- Author: Frank R. Spellman
- Language: English
- Year: 2004