Light intensity limits foraging activity in nocturnal and crepuscular bees.Published in:Behavioral Ecology, 2006, v. 17, n. 1, p. 63, doi. 10.1093/beheco/arj001By:Almut Kelber;Eric J. Warrant;Michael Pfaff;Rita Wallén;Jamie C. Theobald;William T. Wcislo;Robert A. RagusoPublication type:Article