TY - JOUR AU - Eric Shirley AU - Hadley Lawler C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 2007-08-16 LA - en M1 - 76 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 2007 TI - Two-Phonon Infrared Spectra of Si and Ge: Calculating and Assigning Features UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=841089 ER -