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http://books.google.com/books?id=YmIrAAAAYAAJ&lpg=PR5&ots=lI1PHuGsmJ&dq=glen%20ware&pg=PA19#v=onepage&q=glen%20ware&f=false

http://books.google.com/books?id=YmIrAAAAYAAJ&lpg=PR5&ots=lI1PHuGsmJ&dq=glen%20ware&pg=PR5#v=onepage&q=glen%20ware&f=false

Reference Data:

Technological Influence on Usage of Platinum and Palladium Report, by National Reserach Council (US), 1968, pages 19 and 5