TY  - RPRT
TI  - The calibration of a pentaprism 
AU  - Reeve, Charles P
AU  - Veale, Ralph C
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 76-993
DO  - 10.6028/NBS.IR.76-993
ER  -