TY  - BOOK
AU  - U.S. Department of Commerce, National Bureau of Standards.
TI  - Handbook 77: Precision measurement and calibration; v.1:Selected papers on elec... /(by) U.S. Dept. of Commerce. Nat. Bureau of Sta
U1  - 621.372 
PY  - 1961///
PB  - U.S.D.C. N.B.S.
ER  -