TY  - GEN
AU  - 
AU  - National Federation of Science, Abstracting and Indexing Services (Washington)
TI  - Guide to the world's abstracting & indexing services in science & technology
PY  - 1963///
CY  - Washington
PB  - Library of Congress
KW  - Abstracting and Indexing services
KW  - Science and Technology
KW  - Guide
ER  -