1. Hertzberg, A., Bruckner, AP., Bogdanoff, D.W.: A new chemical method of achieving ultrahigh velocities. In: Proceedings of 37th Meeting of the Aeroballistic Range Association (ARA), Québec, Canada (1986)
2. Sasoh, A., Hirakata, S., Maemura, J., Hamate, Y., Takayama, K.: Thermally choked operation in a 25-mm-bore ram accelerator. In: Takayama, K., Sasoh, A. (eds.) Proceedings of 3rd International RAMAC Workshop, pp. 111–118. Sendai SWRC-Japan (1997)
3. Bruckner, A.P., Bodganoff, D.W., Knowlen, C., Hertzberg, A.: Investigation of gasdynamic phenomena associated with the Ram accelerator concept, AIAA paper 87-1327 (1987)
4. Bruckner, A.P., Hertzberg, A., Kull, AE., Burnham, E.A., Knowlen, C., Yungster, S.: High velocity modes of the Ram accelerator. In: Proceedings of 40 Meeting of the Aeroballistic Range Association (ARA), Paris, France (1989)
5. Bruckner, A.P., Knowlen, C., Hertzberg, A., Bogdanoff, D.W.: Operational characteristics of the thermally choked ram accelerator. J. Prop Power 7, 828–836 (1991)