00648nam a2200217Ia 4500008004100000020001800041050001600059050001800075100001900093245003900112245001800151260001500169260002700184260000900211300001600220300002000236300001100256650001800267999001900285952012600304180523s9999    xx            000 0 und d  a971-08-1918-6  aMAIN QA 531  b.R53 1971 c.3  aRider, Paul R. 0aPlane and spherical trigonometry / 0cPaul R. Rider  aNew York :  bThe Macmillan Company.  c1969  a142 pages :  billustrations ;  c21 cm.  aTrigonometry.  c357484d357484  001040aSMCbSMCcMAINd2005-03-07g185.00l0oMAIN QA 531 .R53 1971 c.3pSMC00391r2018-05-23 00:00:00w2018-05-23yBK