00608nam a2200157Ia 4500003000900000008004100009040001600050080001500066100002000081245010500101260005300206300001400259490011200273650004100385650002400426IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a521.3bHER  aHerrick, Samuel 4aThe laplacian and gaussian orbit mmthodscSamuel Herrick                                              aCaliforniabUniversity of California Pressc1940  aiii, 56p.  aUniversity of California publications contributions of the Los Angeles astronomical department. v. 1, no. 1  aAstronomy and Astrophysics thesaurus  aCelestial mechanics