References
- 1.. Mills, P. A., Onley, J. H., and Gaither, R. A.: J. of AOAC 46 (1.96:;) 1.86.
- 2. Nelson, R. C.: ibid. 47 (1.964) 289. 10.1093/jaoac/47.2.289
- 3. Nelson, R. C.: ibid. 48 (1.965) 752. 10.1093/jaoac/48.4.752
- 4. Nelson, R. C.: ibid. 49 (1.966) 76:;.
- 5. Nelson, R. C.: ibid. 50 (1.967) 922.10.1093/jaoac/50.4.922
- 6. Benson, W. R., Finocchario; J. M.: ibid. 48 (1.965} 676. 10.1093/jaoac/48.3.676
- 7 Benson, W. R., Finocchario, J. M.: ibid. 48 (1.965)
- 8. Bowery, T. G., Guthrie, F. E.: J. Agr. Food Chem. ' 9 (1.961.) 1.93·
- 9. Nesemann, E., Schroder, R., und SeehOfer, F.: Beitr. Tabakforsch. 4 (1.968} 1.97·
- 10. Ives, N. F., and Giuffrida, L.: J. of AOAC 50 (1.967) 1..10.1093/jaoac/50.1.1
- 11. Henly, R. 5., Croppa, R. F., and Suppina, W. R.: J. Agr. Food Chem. 1.4 (1.966) 667