Author
All India Co-ordinated Research Project on Tobacco
1
Central Tobacco Research Institute
1
Ente nazionale per il tabacco
1
Indian Council of Agricultural Research
1
Istituto scientifico sperimentale per i tabacchi
1
Istituto sperimentale per il tabacco
1
Nihon Senbai Kōsha. Chūō Kenkyūjo
1
Tobacco Research Council
1
Verband der Cigarettenindustrie
1
Verband der Cigarettenindustrie. Wissenschaftliche Forschungsstelle
1