The present invention relates to a smoking article, preferably in cigarette form, which produces an aerosol that resembles tobacco smoke. The article preferably comprises a short combustible fuel element having a density greater than 0.5 g/cc, a separate substrate bearing an aerosol forming material,...http://www.google.de/patents/US4714082?utm_source=gb-gplus-sharePatent US4714082 - Smoking article
