Solid-state light-intensity controller for biological research
By: [by K. R. Beerwinkle and I. L. Berry]
Contributors: Berry, I. L., joint author.; United States. Agricultural Research Service
Series: ARS-S ; 77; ARS-S -- 77.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service, [Southern Region]
Published: 1975
Place of publication: [Washington]
Language: eng
Subjects: Light -- Physiological effect.; Simulation methods.; Biology -- Research -- United States.
Notes: Cover title.

Bibliography: p. 5.