Some prelliminary studies of the influence of the electric arc lamp upon greenho
Bailey, L.H.
Some prelliminary studies of the influence of the electric arc lamp upon greenho - Ithaca 1891 - 87-122 p. - Cornell Agricultural Experime .
Some prelliminary studies of the influence of the electric arc lamp upon greenho - Ithaca 1891 - 87-122 p. - Cornell Agricultural Experime .