TY  - BOOK
AU  - Medvedev,V P
TI  - METHOD OF DETERMINING THE PROPAGATION VELOCITY OF PULSE WAVES
U1  - NASA 
PY  - 1965///
CY  - 
PB  - Nasa, Washington, D.C.
N1  - Bound With Nasa Tt F-401-406,408-410
ER  -