?url_ver=Z39.88-2004&rft_id=10.1109%2FCMC.2009.335&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ahmad%2C+R.&rft.aulast=Ahmad&rft.aufirst=R.&rft.date=2009&rft.title=A+free-form+database+query+language+for+mobile+phones&rft.isbn=9780769535012&rft.genre=proceeding