%0 Journal Article %T Carbon Dioxide Fixation by Guard Cell Protoplasts of Commelina communis %A BIRKENHEAD,, K. %A WILLMER, C., M. %J Journal of Experimental Botany %V 35 %N 9 %P 1260-1264 %@ 0022-0957 %D 1984-09-01 %I Oxford University Press %~ DeepDyve