00878nam a2200205Ia 4500003000900000008004100009020001400050040001600064080002500080111010100105245027000206260004300476300001400519490001500533650004100548650001700589700002200606700002200628700002200650IN-BaIIA211028s9999    xx            000 0 eng d  a0379-6566  cIIA Library  a523.64(082.2)bESA-I  aESLAB Symposium of the Exploration of Halley's Cometn20thcHeidelberg, Germanyd1986 Oct. 27-31 0aExploration of Halley's cometbproceedings of the 20th ESLAB symposium of the exploration of Halley's comet, vol. I, held in Heidelberg, Germany, 27-31, October 1986cedited by B. Battrick, E. J.  Rolfe and R. Reinhard                                                 aNoordwijkbEuropean Space Agencyc1986  axvi, 618p  aESA SP-250  aAstronomy and astrophysics thesaurus  aComet halley  aBattrick, B., ed.  aReinhard, R., ed.  aRolfe, E. J., ed.