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Author Title Year (down) Publication Volume Pages
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
Bunning, E.; Moser, I. Interference of moonlight with the photoperiodic measurement of time by plants, and their adaptive reaction 1969 Proceedings of the National Academy of Sciences of the United States of America 62 1018-1022