URI(s)
Identifies LC/NAF RWO
Identifies RWO
Exact Matching Concepts from Other Schemes
Closely Matching Concepts from Other Schemes
Sources
- found: Ongerth, J.E. A study of water treatment practices ... c1989:t.p. (Dr. John Riggs; Calif. Dept. of Health Services)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1989-05-30: new
- 2014-12-10: revised
Alternate Formats