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Author Title Year (down) Publication Volume Pages
Kadman-Zahavi, A., & Ephrat, E. The efficiency of different light sources in inducing spray carnation flowering 1982 Scientia Horticulturae 18 159--167
Arnott, J. T. Growth Response of White and Englemann Spruce Seedlings to Extended Photoperiod Using Three Light Intensities 1982 Technical Report: Pacific Forestry Centre
Tinus, R. W. Effects of Extended Photoperiod on Southern Rocky Mountain Engelmann Spruce and Douglas-fir 1981 Tree Planters' Notes 32
Lawrence, B.K.; Fehr, W.R. Reproductive Response of Soybeans to Night Interruption1 1981 Crop Science 21 755
Cathey, H. M., & Campbell, L. E. Security lighting and its impact on the landscape. 1975 Journal Of Arboriculture 1 181–187