TY - RPRT TI - Apollo 12 lunar module impact - Laboratory simulation and possible downrange ballistic effects AU - Johnson, S. W. AU - Mcgetchin, T. R. AU - Preonas, D. D. AU - Swift, H. F. PY - 1970 UR - https://ntrs.nasa.gov/citations/19700063860 ID - 19700063860 ER -