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  Author Title Year Publication Volume Pages Links
Downey, J.W. Determination of minimum light sense and retinal dark adaptation with presentation of a new type of photometer 1919 American Journal of Ophthalmology 2 13-20 details   url
Rawson, H.E. A bird's song in relation to light 1932 Transactions of the Hertfordshire Natural History Society Field Club 17 363-365 details   openurl
Cottam, C. A shower of grebes 1929 The Condor 31 80-81 details   openurl
Squires, W.A.; Hanson, H.E. The destruction of birds at the lighthouses on the coast of California 1918 The Condor 20 6-10 details   url
Cochran, W.W.; Graber, R.R. Attraction of nocturnal migrants by lights on a television tower 1958 The Wilson Bulletin 70 378-380 details   url
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