01039nam a2200229Ia 4500 CTU_124807 210402s9999 xx 000 0 und d 67.00 025.344 A861 Aswal, Rajendra Singh MARC 21 : Cataloging format for 21st century Rajendra Singh Aswal Darya Ganj, New Delhi Ess Ess Publications 2004 Contents of material: 1/ What is MARC and why is it necessary? 2/ Types of MARC format and their disignation. 3/ MARC 21 formats: For the 21st century. 4/ Sample format of MARC 21 with example . 5/ UNIMARC to MARC 21 conversion specifications. 6/ MARC 21 format for authority data. 7/ MARC 21 format for bibliographic record. 8/ MARC 21 format for holding data. Library science,Machine-readable cataloguing,Mục lục máy đọc được Khoa học Thư viện Minh Trung tâm Học liệu Trường Đại học Cần Thơ