S. Woollard

The development of stability of respiration in human infants: changes in ventilatory responses to spontaneous sighs.

Michael V. LeVine, P. Fleming, M. Levine, 1984, The Journal of physiology.

Barometric plethysmograph: advantages and limitations in recording infant respiration.

P. Fleming, P J Fleming, M R Levine, 1983, Journal of applied physiology: respiratory, environmental and exercise physiology.