TY - BOOK AU - Bottom,Virgil E. TI - Introduction to quartz crystal unit design SN - 0442262019 PY - 1982/// CY - New York : PB - Van Nostrand Reinhold, KW - Oscillators, Crystal KW - Piezoelectric devices KW - Quartz crystals KW - Electric properties N1 - Includes index; Bibliography: p. 259-260 ER -