TY  - BOOK
AU  - Dershowitz,Nachum
AU  - Reingold,Edward M.
ED  - Safari eBooks.
TI  - Calendrical calculations
PY  - 2008///
KW  - Calendar
KW  - Mathematics
KW  - Electronic books
KW  - local
N1  - Includes bibliographical references and index
UR  - http://ezproxy.alfaisal.edu/login?url=http://academic.safaribooksonline.com/?uiCode=sdl&xmlId=9781107702370
ER  -