Procedure for the detection and identification of a helicopter [microform] / Hans Siebecker.
Saved in:
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Microfilm Book |
| Language: | English |
| Published: |
Washington, DC :
National Aeronautics and Space Administration,
[1988]
|
| Series: | NASA technical translation ;
20234. |
| Subjects: |