3 ms·Interestingly this was not the book we used in Al Aho's CS Theory course in 2011.by rgbrgb 13y agoInterestingly this was not the book we used in Al Aho's CS Theory course in 2011.zerr 13y agoBut what book it was?rgbrgb 13y agoI believe it was the one required here: http://www.cs.columbia.edu/~aho/cs3261/ http://www.cs.columbia.edu/~aho/cs3261/