Diccionario enciclopédico Salvat. /

Subjects:

Refinación de petroleo /

Subjects: “…Petroleo como combustible…”

Chemistry and technology of cereals as food and feed / by Matz, Samuel A.

Subjects: “…Cereales como alimento…”

World of learning : 1960-61 /

Subjects:

World of learning : 1978-1979 /

Subjects:

Como organizar bibliotecas / by Vicens de la Llave, Juan

Opportunities for summer study in Latin America /

Subjects:

Repertoire des scientifiques francais /

Subjects: “…1618 Directorios como asunto…”

Directory of scientific research organization in the union of scientific research organization in the union of south africa / by Masson, D. Ryle

Subjects:

Electromigración como tecnica analítica / by Paglini, Severo

Cómo elaborar un proyecto : guía para diseñar proyectos sociales y culturales / by Ander-Egg, Ezequiel

Como agua para chocolate / by Esquivel, Laura

Cómo hacer una monografía literaria / by Verdugo, Iber H.

Ulrich's periodicals directory : a classified guide to current periodicals, foreing and domestic /

Subjects:

Directory of officers and activities for 1961 /

Subjects:

Ulrich's periodicals directory : a classified guide to a selected list of current periodicals, foreign and domestic : 1973-1974 /

Subjects:

Ulrich's periodicals directory : a classified guide to current periodicals, foreign and domestic /

Subjects:

Directory of japanese scientific periodicals : natural sciences, medical science and industry /

Subjects:

Qué es, que hace, como trabaja /

Como resolver problemas en química física / by Babor, José A.