TY  - RPRT
TI  - Penetration of proton beams through water 1. depth-dose distribution, spectra and LET distribution 
PY  - 1993
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 5226
DO  - 10.6028/NIST.IR.5226
ER  -