1. AOAC. 1980. Official methods of analysis, 13th ed. Association of Official Analytical Chemists, Washington, DC.
2. Bagby, M. O., R. A. Buchanan, and F. H. Otey. 1981. Multi-use crops and botanochemical production. Amer. Chem. Soc. Symp. Ser. No. 144:125–136.
3. Bolz, R. E., and G. L. Tuve, eds. 1973. Pages 393, 395in Handbook of tables for applied engineering science. Chemical Rubber Co., Cleveland.
4. Bovey, F. A. 1972. High resolution of macromolecules. Academic Press, New York.
5. Buchanan, R. A., I. M. Cull, F. H. Otey, and C. R. Russell. 1978a. Hydrocarbon-and rubberproducing crops: evaluation of U.S. plant species. Econ. Bot. 32:131–145.