TY - JOUR AU - Lawler, H AU - Shirley, Eric C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 2004-01-01 LA - en M1 - 70 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 2004 TI - Anharmonic effects on infrared spectra of GaAs and GaP: First-principles calculations ER -