Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6600 of /var/www/drupal-7.x/includes/common.inc).
Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /var/www/drupal-7.x/includes/common.inc).
Deprecated function: The each() function is deprecated. This message will be suppressed on further calls in menu_set_active_trail() (line 2405 of /var/www/drupal-7.x/includes/menu.inc).
Access to research publications is one of the key issues faced by researchers and scholarly publishers. For those new to the area, Graham Steel and David Kernohan explain.