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- [31] UNITED-STATES LEAD INDUSTRY THREATENED BY PROPOSED EPA LEAD-IN-AIR STANDARD, STUDY STATES E&MJ-ENGINEERING AND MINING JOURNAL, 1978, 179 (05): : 99 - 99
- [35] STUDIES OF THE BIOLOGY OF THE CYPRINID FISHES OF THE CHUB GENUS NOCOMIS OF NORTHEASTERN UNITED-STATES AMERICAN MIDLAND NATURALIST, 1952, 48 (02): : 433 - 466