TY  - BOOK
AU  - Marsden, B. G.
TI  - Catalogue of cometary orbits
PY  - 1975///
CY  - Cambridge
PB  - Smithsonian Astrophysical Observatory
KW  - Astronomy and astrophysics thesaurus
KW  - Catalogue - comets
KW  - Comets catalogue
ER  -