TY - BOOK ID - 137757330 TI - ESO workshop on the need for coordinated ground-based observations of Halley's comet : proceedings, Paris, 29-30 April 1982 AU - Festou, M. AU - Kjär, K. AU - Véron, P. PY - 1982 SN - 3923524145 PB - Garching European southern observatory DB - UniCat KW - Halley's comet KW - Congresses. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137757330 AB - ER -