00409pamaa2200145 4500 0000012746 20060606090000.0 0471605603/0471517720(sc) 621.38152 TYA TK7871.85 TYA 1991 TYAGI Introduction to semiconductor materials and devices M.S. Tyagi. New York: John Wiley, 1991. ix, 669p.: 26cm. Semiconductors