MICROPROCESSOR MEASUREMENT OF HEART-RATE FOR QUANTITATION OF PHYSICAL-ACTIVITY Gossard, D., Mueller, J. K., ADAMS, F. R., Taylor, C. B., Haskell, W. L., Ahn, D., DeBusk, R. F. LIPPINCOTT WILLIAMS & WILKINS. 1984: 389–89

View details for Web of Science ID A1984TN45401563