1. Arteca, R. N., Plant Physiology 65: 1216 (1980).
2. BOLIN, B, SCIENTIFIC AMERICAN 223: 125 (1970).
3. COLLINS, W.B., EFFECT OF CARBON-DIOXIDE ENRICHMENT ON GROWTH OF POTATO PLANT, HORTSCIENCE 11: 467 (1976).
4. FERNANDEZFLORES, E, GLC DETERMINATION OF ORGANIC ACIDS IN FRUITS AS THEIR TRIMETHYLSILYL DERIVATIVES, JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS 53: 17 (1970).
5. Carbon Dioxide Fixation by Roots