Recording the heart beat of cattle using a gradiometer system of optically pumped magnetometers
Computers and Electronics in Agriculture
177,
105651
(2020)
J. U. Sutter, O. Lewis, C. Robinson, A. McMahon, R. Boyce, R. Bragg, A. Macrae, J. Orton, V. Shah, S. J. Ingleby, P. F. Griffin, E. Riis