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
Ann. Tabac, 1996, Sect. 1-23, p. 15-36., ISSN.0399-0206 Biodegrability of cigarette butts REISINGER O.; DE SALLES DE HYS L.; DAMRET J.L. Unité d'Ecologie Microbienne Commune, Nancy, France A comparative study was conducted in 1995-96, during 8 months, on biodegradation of several types of cigarette butts, in natural (B1) and laboratory (B2) environments. Non filter cigarette butts were compared with filter butts made of cellulose...