Z.P.G.
Subtitle: predictive demands
By: Dale Birge, H. Cunningham.
Contributors: Cunningham, H.
Series: [Problem series]; Problem series (Huxley College of Environmental Studies)
Publisher: Huxley College of Environmental Studies, Western Washington State College
Place of publication: [Bellingham, Wash
Language: eng
Number of pages: 15
Notes: Caption title.

Six computer print outs in back pocket.

Includes bibliographical references (leaf [15]).