00434ntaaa2200169 45000030003000000050017000030080021000200400037000410820017000781000021000952450035001162500010001512600041001613000009002025000038002116500015002490120251027202551.00714s1973 ag 01 aAR-BaBNbspacAR-BaBNeaacrdRIC a301.4260 B91 aBurkhart, Roy A aThe secret of a happy marriage a1 ed. aNew York : bHarper and Row, cc1949 a75 p aGuía para el matrimonio felíz amatrimonio