Nova Scotian Institute of ScienceR. G. S. (Roger Grafton Shelford), 1927-2011-07-122011-07-121978Bidwell, R.G.S. (1978). The carbon dioxide machine, or plants on the make. Proceedings of the Nova Scotian Institute of Science, 28(1/2), 26-34.http://hdl.handle.net/10222/13903Includes b&w illus.enCarbon dioxideBotanyOxygenMarine algaeThe carbon dioxide marchine, or plants on the makeText