TY  - BOOK
AU  - Katz,William A
TI  - Introduction to reference work
T2  - McGraw-Hill Series in Library Education
SN  - 0070333319
U1  - 025.52 
PY  - 1978///
CY  - New York, Estados Unidos
PB  - McGraw-Hill Book Company
KW  - Bibliotecología
KW  - Servicios de referencia (Bibliotecas
N1  - 1. The reference process -- 2. Bibliographies: introducción -- 3. Bibliographies: national library catalogs and -- 4. Indexing and abstracting services -- 5. Enciclopedias: general and subject -- 6. Ready - reference sources: almanacs, yearbooks, handbooks, directories --7. Biographcal sources -- 8. Dictionaries -- Geographcal sources -- 10. Government documents
ER  -