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@FrankWilczek Want this book on perspective Geometry Of An Art? http://t.co/NFiJO1of2E Shocked to see Springer wants $199 to get the ebook?
@FrankWilczek Want this book on perspective Geometry Of An Art? http://t.co/NFiJO1of2E Shocked to see Springer wants $199 to get the ebook?