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2. A portable, temperature-controlled steady-state porometer for field measurements of transpiraton and photosynthesis;Bingham;Photosynthetica,1977
3. Bingham , G. E. Coyne , P. I. Kennedy , R. B. Jackson , W. L. 1980 Design and fabrication of a portable minicuvette system for measuring leaf photosynthesis and stomatal conductance under controlled conditions Lawrence Livermore National Laboratory, Livermore, California, UCRL-52895
4. Materials and methods for carbon dioxide and water exchange analysis;Bloom;Plant, Cell and Environment,1980
5. Stomatal behavior and environment;Cowan;Advances in Botanical Research,1977