Error message

Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/includes/common.inc).
Notice: Trying to access array offset on value of type int in element_children() (line 6595 of /var/www/html/default/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/html/default/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/html/default/includes/menu.inc).

Photon emission experiments with the scanning tunnelling microscope

Coombs, J. H., Gimzewski, J. K., Reihl, B., Sass, J. K. & Schlittler, R. R. Photon emission experiments with the scanning tunnelling microscope. Journal of Microscopy 152, 325–336 (1988).