TY  - BOOK
AU  - North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development.
TI  - How to obtain informations in different fields of science and technology; a user' s guide
T2  - AGARD Lecture Series no.69
U1  - 025.5:5+6(026) L4 
PY  - 1974///
CY  - Springfield
PB  - National Technical Information Service, U.S.Department of Commerce
KW  - Library science,Information science
ER  -