[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Orbital refueling techniquesBORETZ, J. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - The hybrid (hydrazine) resistojetCHAPIN, S. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Exothermic bimetallic ignition systemLAUFMAN, P.

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Status of electric propulsionJAHN, R.; MICKELSEN, W. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Investigation of subsonic duct distortionMACMILLER, C. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Operational characteristics of nuclear rocketsBUDEN, D. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Manufacturing of small rocket motorsCLAYTON, A. · 1969

[American Institute of Aeronautics and Astronautics 5th Propulsion Joint Specialist - Colorado Springs,CO,U.S.A. (09 June 1969 - 13 June 1969)] 5th Propulsion Joint Specialist - Inlet dynamics and compressor surgeMAYS, R.

The American Camaenidae (Mollusca: Pulmonata)Charles B. Wurtz · Proceedings of the Academy of Natural Sciences of Philadelphia · 1955

On the CondylarthraProfessor Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

On Uintatherium, Bathmodon and TriisodonE. D. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

On Supposed Tertiary AmmonitesJ. S. Newberry · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

Additions to the Library, 1887Proceedings of the Academy of Natural Sciences of Philadelphia · 1887

Notes on Peruvian TrochilidaeJames Bond · Proceedings of the Academy of Natural Sciences of Philadelphia · 1954

Notes on American MabuyasEmmett Reid Dunn · Proceedings of the Academy of Natural Sciences of Philadelphia · 1935

Fossil Vertebrates from FloridaDr. Leidy · Proceedings of the Academy of Natural Sciences of Philadelphia · 1889