Extension circular.

Some nos. in rev. editions.

Extension of the Huffman tree construction algorithm /

Bibliography: p. 42-43.

Extension leaflet.

Issues have also distinctive titles.

Training cooperative extension workers; the coordinated approach.

Mode of access: Internet.

Fifty years of extension in Connecticut.

Cover title.

Notebook in extension history, objectives and staff functions, developed in special summer school courses at Oklahoma Agricultural and Mechanical College, Stillwater, Oklahoma, June 6-25, 1955. Karl Knaus, Instructor.

Mode of access: Internet.

Arkansas extension bulletin.

Some numbers are called Extension bulletin, and some just Bulletin.

Extension series.

Mode of access: Internet.

The extension of the X-ray spectrum to the ultraviolet ...

Reprinted from the Physical review n.s. v.18, no.6. Dec.1921.

Extension publications on poultry science : issued by the agricultural experiment stations of the United States ending December, 1942 /

Typescript.

Extension circular.

Latest issue consulted: 539, published in 1966?

Extension circular /

Description based on: No. 42 (May, 1922); title from cover.

Extension project circular /

Description based on: No. 16 (Mar. 1936).

Extension bulletin.

Mode of access: Internet.

Extension bulletin.

Each vol. has also a distinctive title.