[1. Chatterjea, ]. N., and Ray, R. R.: Chem. Ber. 92 (1.959) 998.10.1002/cber.19590920436]Search in Google Scholar
[2. Entwistle, I. D., and Johnston, R. A. W.: ]. Chem. Soc., Sect. C., 1.968, 1.81.8. ]Search in Google Scholar
[3. Fields, E. K., and Meyerson, S.: Accounts Chem. Res. 2 (1.969) 273. 10.1021/ar50021a003]Search in Google Scholar
[4. Graebe, C.: Chem. Ber. 7 (1.874) 396. 10.1002/cber.187400701127]Search in Google Scholar
[5. Hoffmann, D., and Wynder, ·E. L.: Beitr. Tabakforsch; 1. (1.961.) 1.01..]Search in Google Scholar
[6. Hoffmann, D., and Wynder, E. L.: Proc. Am. Assoc. Cancer Res. 7 (1.966) 32. ]Search in Google Scholar
[7. Hoffmann, D., and Wynder, E. L.: In ,Air Pollution, Vol. 11", A. C. Stern, Ed., Chapter 20, (1.968) Academic Press, New York.]Search in Google Scholar
[8. Karr, C., Jr., Estep, P. A., Chang, T. C. L., and Comberiati, J. R.: U.S. Dept. Interior, Bureau Mines Bull. 637 (1.967) 1.68. ]Search in Google Scholar
[9. Neurath, G.: Naturwiss. 54 (1.967) 30.]Search in Google Scholar
[10. Rathkamp, G., and Hoffmann, D.: 23rd Tobacco Chemists' Res. Con£., Philadelphia, Pennsylvania, 1.969.]Search in Google Scholar
[11.. Seehofer, F., Miller, J. E., and Elmenhorst, H.: Beitr. Tabakforsch. 3 (1.965) 75·]Search in Google Scholar
[12. Stedman, R. L.: Chem. Rev. 68· (1.968) 1.53·]Search in Google Scholar
[13. Trippett, S.: J. Chem. Soc. 1.957, 41.9. . 1.4. Wynder, ·E. L., and Hoffmann, D.7 "Tobacco and Tobacco Smoke, Studies ii1 Experimental Carcinogenesis" (1.967), Academic Press, New York.]Search in Google Scholar