Urquiza, el organizador / [por] Beatriz Bosch

Urología en el pregrado / Raúl J. Borzone, Belisario Otamendi, Juan M. Guzmán

Urdimbre / Noemí Ulla

Urcupiña : guía para conocer Cochabamba / [texto y diagramación, Alfredo Medrano].

Urbis olisiponis de scripto per damia num goem equitem lusitanum

Urbanizzazione e sottosviluppo : migrazioni interne, periferie ed emarginazione sociale in America latina

The urbanization process of a poor Mexican neighborhood / by Antonio Ugalde, with Leslie Olson, David Schers, Miguel Von Hoegen

Ontología, V: Filosofía de la naturaleza; Teoría especial de las categorías. Categorías organológicas: El pensar teleológico/ Nicolai Hartmann ; [traducción de José Gaos].

Urbanization, industrialization, and low-income family organization in Sao Paulo, Brazil / by Thomas Devaney Harblin Urbanization, industrialization, and low-income family organization ..

Urbanization, industrialization, and low-income family organization .. Urbanization, industrialization, and low-income family organization in Sao Paulo, Brazil