TY - BOOK AU - Aswal, R. S. TI - MARC 21: Cataloging Format for 21st Century / SN - 8170003849 U1 - 025.316 PY - 2004/// CY - New Delhi: PB - Ess Ess Publications, KW - MARC formats N1 - 1. What is MARC and why is it necessary? 2. Types of MARC format and their designation 3. MARC 21 formats: For the 21st century 4. Sample format of MARC 21 with example 5. UNIMARC to MARC 21 conversion specification 6. MARC 21 format for authority data 7. MARC 21 format for bibliographic record 8. MARC 21 format for holdings data ER -