1.
 |  | Title: Critical Evaluation of Cryptosporidium Research and Research Needs by Michelle M. Frey, Carrie Hancock, Gary S. Logsdon, Awwa Research Foundation ISBN: 0898679389 Publisher: Amer Water Works Assn Pub. Date: September, 1998 List Price: $55.00 Amazon.com Price: $55.00 |
2.
 |  | Title: Guidance Manual for Monitoring Distribution System Water Quality by Gregory Kirmeyer, Melinda Friedman, Katherine Martel, Gretchen Thompson, Anne Sandvig, Jonathan Clement, Michelle Frey ISBN: 1583211861 Publisher: Amer Water Works Assn Pub. Date: April, 2002 List Price: $205.00 Amazon.com Price: $205.00 |
3.
 |  | Title: Cryptosporidium: Answers to Questions Commonly Asked by Drinking Water Professionals by Michelle Frey, Carrie Hancock, Gary S. Logsdon, Michael Frey ISBN: 0898679370 Publisher: Amer Water Works Assn Pub. Date: February, 1998 List Price: $55.00 Amazon.com Price: $55.00 |
4.
 |  | Title: Occurrence of Herbicides/Pesticides in Drinking Water by Michelle Frey ISBN: 1583210601 Publisher: Amer Water Works Assn Pub. Date: February, 2000 List Price: $205.00 Amazon.com Price: $205.00 |