1. American Society for Testing and Materials D2688-83 Method B, Machined Nipple Test 1983
2. Larsen , T.E. Corrosion by Domestic Waters, Bulletin 59 1975
3. American Society for Testing and Materials D2688-83 Method C, Coupon Test 1983
4. Pipe Loop System Augments Corrosion Studies.;Singley;Jour. AWWA,1984