David B. Spencer

发表

Results and opportunities - The decade of utilization : proceedings of the 1st Annual ISS research and development conference held June 26-28, 2012, Denver, Colorado, U.S.A.

Julie A. Robinson, David B. Spencer, 2013 .

Orbital Debris Hazard Assessment Methodologies for Satellite Constellations

Alan B. Jenkin, David B. Spencer, Marlon E. Sorge, 2001 .

GPS constellation buildup plan

David B. Spencer, Boyd Winn, 1988 .

Expanding capabilities of the debris analysis workstation

Deanna L. Mains, David B. Spencer, Marlon E. Sorge, 1996, Optics & Photonics.

Some Technical Issues of an Optically Focused Small Space Debris Tracking and Cataloging System

David B. Spencer, Marlon E. Sorge, Charles Barry Hogge, 2000 .

Students designing and building satellites: Penn state's LionSat and the university nanosat program

Sven G. Bilen, Robert G. Melton, Charles L. Croskey, 2005 .

Resource recovery systems costs

David B. Spencer, Bela M. Fabuss, Robert L. Schroeder, 1979 .

The Penn state lunar lion: A university mission to explore the moon

David B. Spencer, Michael V. Paul, Sara E. Lego, 2014 .

Incorporating Cooperative Learning Activities into Traditional Aerospace Engineering Curricula

Abraham Mathew, David B. Spencer, 2008 .

Debris analysis workstation: from concept to reality

David B. Spencer, Scott R. Maethner, Ann J. Shubert, 1995, Defense, Security, and Sensing.

The high-speed identification and sorting of nonferrous scrap

David B. Spencer, David B. Spencer, 2005 .