http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Suplemento al curso programado de cálculo
David M. Merriell ; versión española por Bartolomé Frontera Marqués.
"Preparado por The Committee on Educational Media of the Mathematical Association of America."
Programed course in calculus. Spanish (Frontera Marqués)