TY  - HOUR
T1  - NASA patent abstracts bibliography.
DA  - 1991-
CY  - Washington, DC :
CY  - Springfield, Va. :
CN  - NAS 1.21:
PB  - National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program ;
PB  - Available from National Technical Information Service,
PP  - Washington, DC :
PP  - Springfield, Va. :
PY  - 1991-
ID  - 224644
KW  - Astronautics
KW  - Astronautics
TI  - NASA patent abstracts bibliography.
ER  -