Dixon, Robert. "A method for extracting radio astronomical information from noise, on a production line basis, and its application to a high sensitivity 1415 MHz continuum survey between right ascensions oh to 16h and declinations +20⁰ to + 37⁰ /." Doctoral dissertation, Ohio State University, 1968. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486647101628914Chicago Manual of Style (17th edition)