Direct solar radiation on various slopes from 0 to 60 degrees north latitude
By: John Buffo, Leo J. Fritschen, and James L. Murphy.
Contributors: Fritschen, Leo.; Murphy, James L., 1927-
Series: Research paper PNW -- 142.; Research paper PNW -- 142.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Portland, Or
Language: eng
Number of pages: 74
Subjects: Solar radiation -- Observations
Genres: Observations.
Notes: Cover title.

Includes bibliographical references (p. 4).