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1. Speaker's paper, 1968-11-13. Pollution and Water Resources: Scientific and Institutional Aspects, seminar 495A, 1968-1969
Seminar 495A
- Name: Seminar 495A
- Collection Name: University Seminars records
- Date: 1968-1969
2. Speaker's paper, 1976-04-13. Pollution and Water Resources: Scientific and Institutional Aspects, seminar 495A, 1975-1976
Seminar 495A
- Name: Seminar 495A
- Collection Name: University Seminars records
- Date: 1975-1976