TY - BOOK CN - QB601 .N36 1986 CN - QB601 CY - Washington, D.C. : DA - 1986. ID - 110890 KW - Planets KW - Planets KW - Astronautics in astronomy PB - NASA : PB - For sale by the Supt. of Docs., U.S. G.P.O., PP - Washington, D.C. : PY - 1986. T1 - Planetary exploration through year 2000 :an augmented program : part two of a report / TI - Planetary exploration through year 2000 :an augmented program : part two of a report / ER -