9781583214343 | 2 revised edition (Amer Water Works Assn, December 5, 2006), cover price $79.00 |
About this edition: Updated from the 2001 edition, this comprehensive book clearly describes waterborne microorganisms--bacteria, viruses, protozoa, amoebae and algae,-- that either pose a human health threat or contribute to distribution system corrosion.
9781583211212 | Amer Water Works Assn, June 1, 2001, cover price $63.00