TY  - RPRT
TI  - Study of a Halpern-type 4 [pi] neutron detector. 
AU  - Gerstenberg, H M
PY  - 1967
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 416
DO  - 10.6028/NBS.TN.416
ER  -