00738cam a22002171 4500 pa 65000112 DLC 20260227111856.0 781208s1964 dcu 000 0 spa c pa 65000112 (OCoLC)4433099 Pan American Union. Library MChB DLC premarc AS60.A5 P34 Pan American Union. Division of Conference Services. Conferencias especializadas interamericanas; compilación de datos. [Preparado por Mario Fuenzalida] Washington, Unión Panamericana [1964.] 1 v. (loose-leaf) 22 cm. Inter-American conferences. Congresses and conventions Latin America. 51568 51568