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. 1960 Mar;35(2):276–278. doi: 10.1104/pp.35.2.276
Automatic Device for Controlling Lengths of Light and Dark Periods in Cycles of any Desired Duration 1
G S Sirohi
1, K C Hamner
1
1Botany Department, University of California, Los Angeles
1
Received August 14, 1959.
PMCID: PMC405956 PMID: 16655342
