TY - RPRT TI - SEM Sentinel: SEM performance measurement system, part 1 AU - Ling, Alice V AU - Vládar, András AU - Damazo, Bradley N AU - Donmez, M Alkan AU - Postek, Michael T PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6498 DO - 10.6028/NIST.IR.6498 ER -