Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var/www/html/site-publications/includes/common.inc).
@techreport{abc,
author = {Jens Clausen and Alfons Kemper and Donald Kossmann},
title = {Order-Preserving Hash Joins: Sorting (Almost) for Free},
year = {1998}
}