Procedures manual
By: The Association ; [prepared by Jim Pryal]
Contributors: Pryal Jim
Publisher: A.L.P.O.
Published: 1991
Place of publication: Tucson, Arizona
Language: eng
Number of pages: 12
Subjects: Asteroids; Photographic measurements; Handbooks, manuals
Notes: Title from cover."

"January 1991."

loose leaves.