1. The circle system as a humidifier;Bengston;Br J Anaesth,1989
2. Dose Regulated Penthrane (Methoxyflurane) Anesthesia;Lowe,1972
3. Quantitative closed circuit anesthesia;Lowe;Anesthesiol Rev,1974
4. Low Flow and Closed System Anesthesia,1979
5. The Quantitative Practice of Anesthesia: Use of Closed Circuit;Lowe,1981