"Ph.D. Dissertations - 1955". Electrical Engineering and Computer Science, College of Engineering, University of California Berkeley. Archived from the original on 1 மே 2015. பார்க்கப்பட்ட நாள் 3 July 2013.
"Ph.D. Dissertations - 1955". Electrical Engineering and Computer Science, College of Engineering, University of California Berkeley. Archived from the original on 1 மே 2015. பார்க்கப்பட்ட நாள் 3 July 2013.