TY  - BOOK
AU  - Sparks, Karen Jacobs.
AU  - Shepherd, Melinda C  .
TI  - Encyclopaedia Britannica 2011 book of the year / 
SN  - 9781615354528
U1  - 031 031
PY  - 2011///
CY  - Chicago : 
PB  - Encyclopaedia Britannica , 
KW  - ENCYCLOPEDIAS AND DICTIONARIES
N1  - World data at the end; Includes index
ER  -