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- [3] REPORT ON THE WPCF 1981 ANNUAL CONFERENCE JOURNAL WATER POLLUTION CONTROL FEDERATION, 1981, 53 (12): : 1672 - 1675
- [4] 1981 ANNUAL CONFERENCE ACTIVITIES REPORT JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1981, 73 (09): : A27 - A32
- [5] A REPORT ON THE 1981 ISCC WILLIAMSBURG COLOR CONFERENCE COLOR RESEARCH AND APPLICATION, 1981, 6 (03): : 178 - 181
- [7] REPORT ON THE ANNUAL CONFERENCE 1981 OF EISENHUTTE SUDWEST STAHL UND EISEN, 1981, 101 (17): : 19 - 24
- [9] CONVERGING TECHNOLOGIES ON CAMPUS - A REPORT ON THE 1981 EDUCOM CONFERENCE COMPUTERS AND THE HUMANITIES, 1982, 16 (01): : 41 - 42