TY - BOOK AU - Kuiper,Gerard Peter AU - Roemer,Elizabeth ED - Tucson Comet Conference TI - Comets: scientific data and missions: proceedings AV - QB721 .T83 1970 U1 - 523.6 PY - 1972/// CY - [Tucson PB - Lunar and Planetary Laboratory, University of Arizona] KW - Comets KW - Congresses N1 - Includes bibliographies ER -