TY  - BOOK
AU  - Welsh, Anne 
AU  - Batley, Sue
TI  - Practical Catalaguing: AACR, RDA and MARC 21
SN  - 9781856046954
U1  - 025.31 
PY  - 2012///
CY  - London
PB  - Facet Publishing
KW  - Bibliographic elements
N1  -  Includes References & Index
ER  -