1. 1. McKenna, K. J., Walker, J. H., and Winje, R. A., 'Engine-Airframe Coupling in Liquid Rocket Systems', AIAA Paper 64-81, January 1964
2. 2. also J. Spacecraft Rockets 2 (1965), 254.
3. Rose, R. G. and Harris, R., ‘Dynamic Analysis of a Coupled Structural Pneumatic System Longitudinal Oscillation for Atlas Vehicles’, AIAA Paper 64-483, July 1964.
4. Sterett, James B. and Riley, G. F., ‘Saturn V/Apollo Vehicle POGO Stability Problems and Solutions’, AIAA Paper 70-1236, October 1970.
5. Barrère, M. and Bouttes, J. (ONERA) and Lemonie, J. (LRBA), ‘Influence on the POGO Effect of the Aerodynamic Phenomena’, Space Transportation System Technology Symposium, NASA Lewis Research Center, NASA TM X-52876, Vol. II, July 1970.