Title: Biblio RTF Export
Author: Biblio 7.x

Frenkel, Robert E., Peter H. Eilers, and Carol A. Jefferson. "Oregon coastal salt marsh upper limits and tidal datums." Estuaries 4 (1981): 198-205.

Bonacker, Gregg L., Robert C. Martin, and Robert E. Frenkel. Preserve Analysis : Netarts Sand Spit. Salem OR: Oregon Natural Area Preserves Advisory Committee, 1979.

Frenkel, Robert E., Peter H. Eilers, and Carol A. Jefferson. Pacific Northwest coastal marshes:  vegetation zones and tidal datums (draft)., 1978.