TY - RPRT TI - Preliminary petrographic description and geologic implications of the Apollo 17 Station 7 boulder consortium samples AU - E. C. T. Chao AU - J.A. Minkin AU - C.L. Thompson PY - 1974 DO - 10.1016/0012-821x(74)90130-7 UR - https://pubs.usgs.gov/publication/70009977 ID - 70009977 ER -