TY - RPRT TI - Improved low-level silicon-avalanche-photodiode transfer standards at 1.064 micrometers AU - Rasmussen, A L AU - Simpson, P A AU - Sanders, A A PY - 1989 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 89-3917 DO - 10.6028/NIST.IR.89-3917 ER -