TY - RPRT TI - Indirect photoreflectance from high-electron-mobility transistor structures. AU - M Sydor AU - JR Engholm AU - MO Manasreh AU - KR Evans AU - CE Stutz AU - WC Mitchel PY - 1992 DO - 10.1103/physrevb.45.13796 UR - https://pubmed.ncbi.nlm.nih.gov/10001488/ ID - 10001488 ER -