TY - BOOK AU - Thompson,Richard J. TI - Crystal clear: the struggle for reliable communications technology in World War II SN - 9780470046067 PY - 2007/// CY - Hoboken, N.J. PB - Wiley-Interscience KW - United States KW - Army KW - Signal Corps KW - History KW - World War, 1939-1945 KW - Communication systems KW - Communications KW - Oscillators, Crystal KW - Quartz crystals N1 - Includes bibliographical references (p. 183-217) and index ER -