00433nam a2200181 a 450000100080000000500110000800800410001910000180006024500220007825000120010026000320011230000110014465000130015565000200016865000160018865000250020465300220022910016822014-02-22       2004    bl uuuu     u00u1 u    #d1 aEDWARDS, C.A.  aEarthworm ecology  a2nd.ed.  aBoca Raton (USA): CRCc2004  a441 p.  aECOLOGIA  aFAUNA DEL SUELO  aOLIGOCHAETA  aORGANISMOS DEL SUELO  aLOMBRIZ DE TIERRA