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Buck, D. A.; Shoulders, K. R. (February 18, 2019). "An Approach to Microminiature Printed Systems". Papers and discussions presented at the December 3-5, 1958, eastern joint computer conference: Modern computers: Objectives, designs, applications on XX - AIEE-ACM-IRE '58 (Eastern). ACM. pp. 55–59. doi:10.1145/1458043.1458057. S2CID16470536.
Buck, D. A.; Shoulders, K. R. (February 18, 2019). "An Approach to Microminiature Printed Systems". Papers and discussions presented at the December 3-5, 1958, eastern joint computer conference: Modern computers: Objectives, designs, applications on XX - AIEE-ACM-IRE '58 (Eastern). ACM. pp. 55–59. doi:10.1145/1458043.1458057. S2CID16470536.