TY - RPRT TI - Osmium isotope and highly siderophile element systematics of the lunar crust AU - J.M.D. Day AU - R.J. Walker AU - O.B. James AU - I.S. Puchtel PY - 2010 DO - 10.1016/j.epsl.2009.12.001 UR - https://pubs.usgs.gov/publication/70034015 ID - 70034015 ER -