TY - RPRT TI - Lunar surface engineering properties experiment definition Summary technical report AU - Drozd, K. AU - Goodman, R. E. AU - Heuze, F. E. AU - Houston, W. N. AU - Mitchell, J. K. AU - Willis, D. R. AU - Witherspoon, P. A. PY - 1970 UR - https://ntrs.nasa.gov/citations/19710005732 ID - 19710005732 ER -