TY - CONF T1 - INFRARED-ABSORPTION IN GERMANIUM AND SILICON JO - JOURNAL OF THE OPTICAL SOCIETY OF AMERICA PY - 1977/01/01 AU - GREGORY DA AU - HARRINGTON JA AU - HASS M ED - VL - 67 IS - 2 SP - 253 EP - 253 Y2 - 2026/06/05 ER -