URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1094/PHP-2003-1223-01-DGDOI Link
http://www.plantmanagementnetwork.org/pub/php/diag[...]07/26/2017
https://www.plantmanagementnetwork.org/sub/php/dia[...]07/26/2017PDF Reader