TY  - BOOK
AU  - Balakrishna,S.
TI  - Wind tunnel pressure regulating systems
T2  - NAL Technical note, TN-22
AV  - TL504TL567.W5 .B35 TN-22
U1  - 629.13/008 s629.134/52 
PY  - 1970///
CY  - Bangalore, India
PB  - National Aeronautical Laboratory
KW  - Wind tunnels
N1  - Bibliography: p. 7
ER  -