Verbatim text: LaRoi, G.H. and J.R. Dugle. 1968. A systematic and genecological study of Picea glauca and P. engelmannii, using paper chromatography of needle extracts. Canad. J. Bot. 46: 649--687.
Author: LaRoi, G.H., Dugle, J.R.
Year: 1968
Title: A systematic and genecological study of Picea glauca and P. engelmannii, using paper chromatography of needle extracts
Journal: Canad. J. Bot
Volume: 46
Pages: 649–687