00670nam a2200193ua 4500003001000000005001700010008004100027020001800068040003000086100003200116245008500148260003300233504003200266650002300298655001700321700002500338999001700363952009600380AR-SsjUCA20250715141547.0250228s1978 xxu 000 0 eng d a0-85274-292-4 aAR-SsjUCAbspacAR-SsjUCA1 aRoy, Archie Edmiston93081910aAstronomy :bprinciples and practice /cby Archie Edmiston Roy and David Clarke. aBristol :bA. Hilger,c1978. aBibliografía: p. 332-333. 4aAstronomía93317 4aTexto9240881 aClarke, David930820 c18899d18899 00104070aCAbCAd2014-10-11l0o52 ROY Ej.1pCA7712r2025-07-15 00:00:00w2025-07-15yLB