Benson, F. A. Problems in electronics with solutions - 2nd. ed. revised and enlarged - London : E. & F.N. Spon, 1961. - xvi, 249 p. : gráf.; 22 cm. El ejemplar 2857 es 3rd ed. revised and enlarged, 1963, 265 p. : 22 cm. Subjects--Topical Terms: ELECTRONICA Universal Decimal Class. No.: XI-65