France-Tabac, 1988, 41, p. 20-32, ISSN.0296-3361 Green manure, intercrops or marker crops. Their interest for tobacco growing SCHMELTZ C.
Tob. Reporter, 1989, 116-1, p. 50, ISSN.0361-5693 Cigarette pack with improved sealing FOCKE H.; LIEDTKE K. US Patent 4,776,461. Focke & Co....
France-Tabac, 1989, 47, p. 24-5, ISSN.0296-3361 Soil tilling and tobacco quality. A few reminders SCHMELTZ C.
France-Tabac, 1989, 49, p. 26-8, ISSN.0296-3361 Study day on plastic mulching at the Bergerac Tobacco Extension Center SCHMELTZ C.
Tob. Reporter, 1988, 115-11, p. 68, ISSN.0361-5693 Material-saving hinge-lid pack FOCKE H.; LIEDTKE K. US Patent 4,753,384. Focke & Co....
Tob. Reporter, 1989, 116-3, p. 58, abstr, ISSN.0361-5693 Cuboid pack for cigarettes with transverse cut lines FOCKE H.; LIEDTKE K. US Patent 4,789,060. Focke & Co....
Tob. Reporter, 1989, 116-8, p. 50, ISSN.0361-5693 Packaging machine for cigarette packs FOCKE H.; FOCKE J.; LIEDTKE K. US Patent 4,819,407. Focke & Co....
Tob. Reporter, 1989, 116-4, p. 52, abstr, ISSN.0361-5693 Feeding cigarettes into a packaging machine FOCKE H.; ONDERWAATER H.G. US Patent 4,790,333. Focke & Co....