00418nam a2200169Ia 4500003000900000008004100009040001600050080001600066100002200082245003700104260003000141300001600171650001300187650002000200650001100220650001700231IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a523.64bCOO  aCooper, Edward J. 0aCometic orbitscEdward J. Cooper  aDublinbAlex Thomasc1852  aviii, 196p.  aArchives  aCometary Orbits  aComets  aSolar System