TY  - BOOK
AU  - Pitts, Felix L. and Spencer, J. Larry
TI  - An electronioc striain level conunter for aircraft structuctural members [NASA TN D-5944]
PY  - 1970///
CY  - Washington, D. C.
PB  - NASA
KW  - Electronic strain-level counter
KW  - Aircraft structural-fatigue instrumentation
KW  - Counting strain gage
ER  -