1. The handbook for waterworks operator certification. (©2001) Other Names: Spellman, Frank R; Drinan, Joanne Record Type: Book Extent: 1 online resource (3 volumes), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The handbook for waterworks operator certification. Fundamental level / Volume 1, (©2001) Other Names: Spellman, Frank R Record Type: Book Extent: 1 online resource (1 volume), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. The handbook for waterworks operator certification. Intermediate level / Volume 2, (©2001) Other Names: Spellman, Frank R; Drinan, Joanne Record Type: Book Extent: 1 online resource (1 volume), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗