00266nam a22001097a 4500000002500000001000600025020001800031245006200049250001000111260001800121999001700139     nam a22     7a 450049076  a9789682438097  aEn busca del sentido de la vidacXavier Scheifler Amezaga  a2a ed  bTrillasc1990  c49076d49076