00450ntaaa2200181   45000030003000000050017000030080021000200400037000410820017000781000029000952450025001242500010001492600054001593000010002136500011002236500015002347000019002490120251027202712.00714s1973  ag    01   aAR-BaBNbspacAR-BaBNeaacrdRIC  a529.0000 B41  aBell, Thelma Harrington   aEl enigma del tiempo  a1 ed.  aBuenos Aires : bEditorial Acme S.A.C.I., cc1963  a185 p  atiempo  acalendario  aBell, Corydon