@misc{indiciaeda007163cc67, title = {Electronic checkout system for space vehicles Patent}, author = {Johnson, H. G. and Moser, J. C. and Parsons, W. E. and Preston, G. M. and Walton, T. S. and Woods, G. J.}, year = {1970}, url = {https://ntrs.nasa.gov/citations/19710006091}, note = {Source identifier: 19710006091} }