TY - RPRT TI - Horizontal Launch: A Versatile Concept for Assured Space Access AU - Bartolotta, Paul AU - Wilhite, Alan W. AU - Schaffer, Mark AU - Voland, Randall T. AU - Huebner, Larry PY - 2011 UR - https://ntrs.nasa.gov/citations/20120000791 ID - 20120000791 ER -