@article{AUCMP_1968_9_2_a6,
     author = {Sekanina, Zden\v{e}k},
     title = {Supplementary catalogue {I} of original and future comet orbits},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {59--65},
     year = {1968},
     volume = {9},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1968_9_2_a6/}
}