1. Microbiological Methods for Monitoring the Environment - Water and Wastewater R. Bordner J. Winter P. Scarpino Cincinnati, Ohio 1978
2. Water Supply Quality Assurance Working Group Manual for the Interim Certification of Laboratories Involved in Analyzing Public Drinking Water Supplies-Criteria and Procedures. Cincinnati, Ohio 1978
3. Pipes , W.O. Christian , R.R. Sampling Freq iiency-Microbiological Drinking Water Regulations. Washington, D.C. 1978
4. Pipes , W.O. Monitoring of Microbial Water Quality Assessment of Microbiology and Turbidity Standards for Drinking Water P. S. Berger Y. Argaman Washington, D.C. 1983