Author: Oja P

Original article 1977;3(4):225-233   pdf
Age and sex as determinants of the relative aerobic strain of nonmotorized mail delivery.
Oja P, Louhevaara V, Korhonen O
 
Original article 1982;8(1):29-36   pdf
Heart rate as an estimator of oxygen consumption during manual postal delivery.
Oja P, Ilmarinen J, Louhevaara V