00589cam a22002054a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000080011811000390012624500890016526000470025430000270030165000180032865000270034665500100037337512AR-SsjUBGM20251206162951.0250720s1960    xxu           000 0 eng d  aAR-SsjUBGMcAR-SsjUBGM0 aeng  axxu  a7782 aThe National Microfilm Association10aProceedings of the Ninth Annual Meeting and Convention Held At New York, April 1960.  aMaryland :bThe Nat.Microfilm Ass.,c1960.  a244 p. :bil. ;c22 cm 4aMetodología 4aFotografía técnica 4aLibro