Tob. Reporter, 2001,128-5, p. 56-8, ISSN.0361-5693 The hole story - Cavity filters offer considerable advantages JACCARD P. Baumgartner Papiers SA-Division Fibertec, Lab. and Res. Lausanne, Crissier, Switzerland
Bull. ARN, 1997, p. 3-8., ISSN.1146-6200 Smoker's behaviour and advanced research on tobacco plant SCHILTZ P. ARN, Paris, France