Searching for comets encountering Jupiter. Second campaign observations and further constraints on the size of the Jupiter family populationM. Lindgren, G. Tancredi, C.-I. Lagerkvist and O. HerniusAstron. Astrophys. Suppl. Ser., 118 2 (1996) 293-301DOI: https://doi.org/10.1051/aas:1996198