TY - RPRT TI - Determination of Planetary Basalt Parentage: A Simple Technique Using the Electron Microprobe AU - Papike, J. J. AU - Karner, J. M. AU - Shearer, C. K. PY - 2003 UR - https://ntrs.nasa.gov/citations/20030111447 ID - 20030111447 ER -