- North Carolina State University. Department of Biological and Agricultural Engineering10
- Johnson, William H.9
- Oxford Tobacco Research Station4
- WRAL-TV4
- Campbell, John S.3
- Strickland, Verne3
- Carreras Rothmans Ltd.2
- Imperial Tobacco Group2
- North Carolina State University -- Research2
- North Carolina State University. College of Agriculture and Life Sciences2
- R.J. Reynolds Tobacco Company2
- Akehurst, B. C.1
- Atkins, Gene1
- Bowers, C. G., Jr.1
- BulkTobac1
- Crampton and Deitrick1
- Djarum Kudus, PT1
- Duke University1
- Flowers, Ray1
- Hartono, Bambang1