Vispin, Robert G.2018-01-242018-01-241954-11-29REI-006-07-005http://hdl.handle.net/20.500.11867/5230Single 9 x 11.5 inch letterhead. Handwritten and inscribed in blue ink."Today I had a chance to give the materials sent a quick glance. I think that the students will make good use of the information and I will happy to report to you their comments after the data are used."No Known Copyright The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.