1. Saarinen, M., Karp, P.J., Katila, T.E. and Siltanen, P. (1974) The magnetocardiogram in cardiac disorders. Cardiovascular Res. 8, 820–834
2. Katila, T.E., Karp, P.J. (1982) Magnetocardiography: morphology and multipole presentation, in Williamson, S.J., Romani, G.L., Kaufman, L., Modena, I., (eds.), Biomagnetism: An Interdisciplinary Approach, Plenum Press, New York and London, 237–261
3. Karp, P.J., Katila, T.E., Saarinen, M., Siltanen, P. and Varpula, T.T., (1978) Etude comparative des magnetocardiogrammes normaux et pathologiques, Ann. Cardiol. Ageiol. 27, 65–70
4. Karp, P.J., Katila, T.E., Saarinen, M., Siltanen, P. and Varpula, T.T., (1980) The normal human magnetocardiogramm: A multipole analysis. Circ. Res. 47, 117–130
5. Barbanera, S, Carelli, P., Leoni, R., Romani, G.L., Sordoni, F., Modena, I., Fenici, R., Teppilli, P., (1981) Magnetocardiographic study of some human cardiac electrophysiological phenomena: preliminary observations, in Еrné, S.N., Hahlbohm, H.-D., Liibbig, H. (eds.), Biomagnetism, Walter de Gruyter, Berlin and New York, 282–290