URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://listings.lib.msu.edu/panct/1985.pdf#page=9801/19/2017PDF Reader
http://archive.lib.msu.edu/tic/mitgc/article/19911[...]02/19/2015PDF ReaderProceedings of the 61st Annual Michigan Turfgrass Conference reprint