https://d.lib.msu.edu/gress/17/OBJ/view#page=12 | 07/10/2017 | PDF Reader | | Item is within a single large file |
https://listings.lib.msu.edu/gress/2011vol4.pdf#page=12 | 4/17/2017 | PDF Reader | | Item is within a single large file |
https://d.lib.msu.edu/gress/98/OBJ/view/#page=22 | 02/15/2019 | PDF Reader | | Item is within a single large file; Gressforum reprint |
https://listings.lib.msu.edu/gress/2018vol3.pdf#page=22 | 02/15/2019 | PDF Reader | | Item is within a single large file; Gressforum reprint |