Eugenia Ibarra R. has written:
'Costa Rica en el siglo XVI' -- subject(s): History, Indians of Central America
'Las sociedades cacicales de Costa Rica' -- subject(s): Indians of Central America, Social life and customs, History
Eugenia R. A. Cooper has written: 'The relation of oligocytes and astrocytes in cerebral tumours' -- subject(s): Brain, Tumors, Astrocytes
Maria Eugenia Gomez R. has written: 'Indice de la Revista colombiana de matematicas, 1952-1976'
P. R. R. has written: 'The swastika'
R. R. Lutz has written: 'The metal trades'
R. R. ABIDIN has written: 'Parenting skills'
R. R. Borade has written: 'Rikta-atirikta'
R. R. Furness has written: 'Soils of Cheshire'
R. R. McLone has written: 'The training of mathematicians'
R. Laneham has written: 'A letter'
R Parthasarathy has written: 'Ramanujacharya'
R. Bhutt has written: 'Reshan'
R. Weigel has written: 'Kunstcatalog'