Malmivuo, Jaakko. "Magnetocardiography." Bioelectromagnetism: Principles and Applications of Bioelectric and Biomagnetic Fields. : Oxford University Press, 1995-10-05. Oxford Scholarship Online. 2012-03-22. Date Accessed 24 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195058239.001.0001/acprof-9780195058239-chapter-20>.
Malmivuo, J.(1995-10-05). Magnetocardiography. In Bioelectromagnetism: Principles and Applications of Bioelectric and Biomagnetic Fields. : Oxford University Press. Retrieved 24 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195058239.001.0001/acprof-9780195058239-chapter-20.
Malmivuo, Jaakko. "Magnetocardiography." In Bioelectromagnetism: Principles and Applications of Bioelectric and Biomagnetic Fields. : Oxford University Press, 1995-10-05. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195058239.001.0001/acprof-9780195058239-chapter-20.
Malmivuo J. Magnetocardiography. In: Malmivuo J, Plonsey R. Bioelectromagnetism: Principles and Applications of Bioelectric and Biomagnetic Fields. Oxford University Press; 1995. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195058239.001.0001/acprof-9780195058239-chapter-20. Accessed May 24, 2013.