URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://dx.doi.org/10.1111/j.1365-2494.1954.tb01324.xDOI Link
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-[...]07/08/2014PDF ReaderItem is within a limited-access website