00730nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001700084100002700101245007600128260003100204300001600235650004100251650002400292650002300316650003000339942000700369999001500376952012100391IN-BaIIA211028s9999    xx            000 0 eng d  a0-262-08048-6  cIIA Library  a521.4bHAG-1  aHagihara, Yusuke93460 0aCelestial mechanicsbvol. 2, pt. 1, peturbation theorycYusuke Hagihara  aCambridgebMIT Pressc1972  axvii, 504p.  aAstronomy and Astrophysics Thesaurus  aCelestial mechanics  aPerturbation97275  aPerturbation theory94926  cBK  c4258d4258  00104070aBANbBANcGENd1973-07-28g458.67l0o521.4/ HAG-1p4753r2021-11-05v458.67w1973-07-28yBKGRs. 458.67