- Publication Title:
- What causes collisions? by Harold G. Crowley and Edward B. Hevl.
- Display Title:
- Safety study. 102-49. What causes collisions? by Harold G. Crowley and Edward B. Hevl.
- Series Title:
- Safety study.
- Corporate Agency Authors:
- Civil Aeronautics Board and Commerce Dept.
- Sort Author:
- Civil Aeronautics Board
- Authors:
- Crowley, Harold G. and Hevl, Edward B.
- Date:
- Jan. 15, 1949
- Publish Date ISO Format:
- 1949-01-15T00:00:00Z
- Publication Start:
- 19490115
- Publication End:
- 19490115
- Corporate/Agency Author:
- Civil Aeronautics Board
- Publication month:
- 12
- Publication year:
- 1949
- SuDoc number:
- C 31.223:(no.)
- Description:
- 11 p. il.
- Notes:
- (Accident Analysis Division.)
- Notes:
- (Accident Analysis Division.) • Sent to Depository Libraries. Item 172
- Availability:
- * For Sale by Superintendent of Documents. Paper, 5c. • Sent to Depository Libraries. Item 172 and • Sent to Depository Libraries. Item 172
- GPO Item number:
- 172
- Monthly Catalog date:
- March 1949
- Monthly Catalog issue number:
- 650
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1949-03-01T00:00:00Z
- Monthly Catalog entry number:
- 4427
- Record start page number:
- 20