Analog and digital simulation of the radocardiogram, article, June 1, 1974; (https://digital.library.unt.edu/ark:/67531/metadc1026005/m1/23/: accessed May 2, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
Analog and digital simulation of the radocardiogram, article, June 1, 1974; (https://digital.library.unt.edu/ark:/67531/metadc1026005/m1/23/: accessed May 2, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .