1. The amount of smoke produced from tobacco and its absorption in smoking as determined by electrical precipitation;Baumberger;J. Pharmacol. Exptl. Therap.,1923a
2. The nicotine content of tobacco smoke;Baumberger;Ibid.,1923b
3. Über die Nicotinaufnahme des Organismus beim Rauchen und das Schicksal des aufgenommenen Nicotins;Bodnar;Biochem. Z.,1935
4. Nature of cigaret smoke volatile bases and acids;Bradford;Ind. Eng. Chem.,1937