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APA Citation Edition CitationWatts, W. A., & Bright, R. (1968). Pollen, seed, and mollusk analysis of a sediment core from Pickerel Lake, northeastern South Dakota. - Boulder, CO.
Chicago Citation Edition CitationWatts, William A., und R.C Bright. Pollen, Seed, and Mollusk Analysis of a Sediment Core from Pickerel Lake, Northeastern South Dakota. - Boulder, CO. 1968.
MLA Citation Edition CitationWatts, William A., und R.C Bright. Pollen, Seed, and Mollusk Analysis of a Sediment Core from Pickerel Lake, Northeastern South Dakota. - Boulder, CO. 1968.