@misc{indiciaec99fb1e825f2, title = {HEP - A semaphore-synchronized multiprocessor with central control}, author = {Gilliland, M. C. and Smith, B. J. and Calvert, W.}, year = {1976}, url = {https://ntrs.nasa.gov/citations/19770041725}, note = {Source identifier: 19770041725} }