00670nam a2200193Ia 4500003000900000008004100009040001600050080001600066100002600082245011900108260004300227300001500270650002000285650004100305650001600346942000700362999001500369952009200384IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a523.44bWIL  aWilliams, K. P915215 4aThe calculations of the orbits of asteroids and cometscK. P. Williams                                              aBloomingtonbThe Principia Pressc1934  avii, 214p.  aAsteroids94064  aAstronomy and astrophysics thesaurus  aComets9755  cBK  c9048d9048  00104070aBANbBANcGENd1987-06-04l0o523.44/ WILp9945r2021-11-05w1987-06-04yBK