Schaum's outline of computer ... - Google Books
[http://books.google.com/books?id=24V00tD7HeAC&pg=PT203&lpg=PT203&dq=average+memory+access+time+formula+examples&source=bl&ots=RkUJdzFiQG&sig=hBCnAHTrCau_S30spMLv3T-ewA0&hl=en&ei=T31gS-r2KY3o7APf0pTFDA&sa=X&oi=book_result&ct=result&resnum=10&ved=0CC4Q6AEwC] - - public:npranothi