TY - JOUR AU - Simon Kaplan AU - H Lawler AU - Eric Shirley AU - S Bhat AU - M Thomas C2 - Physica C-Superconductivity and Its Applications LA - en PB - Physica C-Superconductivity and Its Applications PY - 1970 TI - Far-Infrared Two-Phonon Absorption in GaP and GaAs ER -