TY  - BOOK
AU  - Knoop,A A
TI  - EXPERIMENTAL INVESTIGATIONS ON ULTRA-LOW FREQUENCY DISPLACEMENT BALLISTOCARDIOGRAPHY
U1  - NASA 
PY  - 1964///
CY  - 
PB  - Nasa, Washington, D.C.
N1  - Bound With Nasa Tt F-261-66 Lack No. 267-68
ER  -