BurnsH. L.: A pure fluid cycling valve for use in breathing equipment, Inhal Therapy14:11, 1969.
2.
FennW. O., OtisA. B., RahnH.: Mechanical behavior of the Burns pneumatic balance resuscitator, Studies in Respiratory Physiology: Chemistry and Mechanics of Pulmonary Ventilation, AF TR No. 6528. Wright Air Development Center, Wright-Patterson Air Base, Ohio, August 1951.