TY - RPRT TI - A Reference Field for GCR Simulation and an LET-Based Implementation at NSRL AU - Slaba, T. C. AU - Blattnig, S. R. AU - Walker, S. A. AU - Norbury, J. W. PY - 2015 UR - https://ntrs.nasa.gov/citations/20160006926 ID - 20160006926 ER -