The Aerospace Corporation
Digital communications : fundamentals and applications
2017 · Bernard Sklar
The theory of a general quantum system interacting with a linear dissipative system
1963 · Richard P. Feynman, F. L. Vernon · Annals of Physics
Sloan Digital Sky Survey: Early Data Release
2002 · Chris Stoughton, Robert H. Lupton, et al. · The Astronomical Journal