El método aplicado à la ciencia matemática.

Galdeano y Yanguas, Zoel García de.

Imp. de Federico Sanz, Logrono, 1875

Original wrappers (Paperback) 52 pp., ills.; 19.5x14.5 cm. Dedication copy, signed 'Z.G.deGaldeano' - (stamps, library markings, paper bit browned, dog-ears) Although still (very) good, see picture