00271nam a2200109Ia 450000500170000008000180001724500370003526000510007230000110012350000080013458300190014220260716043352.0  a18.08.01 C733  aAnuario estadistico de Cuba 1987  bComite Estatal de EstadisticasaHavanaCUc1987  a695 p.  aIDS  c3/7/00kM2LMGR