@book{R-664-ARPA,
author="Ellis, T. O. and Eric F. Harslem and J. F. Heafner and K. Uncapher",
title="ARPA Network Series: I.  Introduction to the ARPA Network at RAND and to the RAND Video Graphic System",
address="Santa Monica, CA",
year="1971",
doi="",
publisher="RAND Corporation"
}