Ecology of the pea aphid in the Blue Mountain area of eastern Washington and Oregon /

Caption title.

A. Geology and mineral paragenesis of the Pea Ridge Iron Ore Mine, Washington County, Missouri : origin of the rare-earth-element- and goldbearing breccia pipes /

Includes bibliographical references.

Captain Scraggs : or, The green-pea pirates /

Mode of access: Internet.

Increasing crude protein content of forage with atrazine on shortgrass range /

"In cooperation with Colorado State University Experiment Station."

Proceedings of the Southern Pasture and Forage Crop Improvement Conference.

Latest issue consulted: 42nd (Apr. 15-16, 1986).

Proceedings of the 41st Southern Pasture and Forage Crop Improvement Conference, held at Raleigh, North Carolina, May 20-22, 1985 /

"December 1985"--Cover.

Negociacion Peña; documentos oficiales.

Mode of access: Internet.

The Bean-bag and pea journal

Mode of access: Internet.