TY - RPRT TI - A Reference Field for GCR Simulation and an LET-Based Implementation at NSRL AU - Slaba, Tony C. AU - Blattnig, Steve R. AU - Walker, Steven A. AU - Norbury, John W. PY - 2015 UR - https://ntrs.nasa.gov/citations/20160006871 ID - 20160006871 ER -