00538ntaaa2200193   45000030003000000050017000030080021000200400037000410820013000781000020000912450039001112500010001502600036001603000010001966500017002069420007002239990013002309520101002430120251027200527.00714s1973  ag    01   aAR-BaBNbspacAR-BaBNeaacrdRIC  a781 W66r  aWillems, Edgar   aEl ritmo musical / cEdgar Willems  a2 ed.  aBuenos Aires : bEudeba, c1979  a348 p  aMusica-Ritmo  cBK  c134d134  00104070aBPbBPd2025-10-27i035505l0o781 W66rp035505r2025-10-27 20:05:27w2025-10-27yBK