H. Löllgen

Introductory Comments on Quality Control and Test Criteria in Ergometry

H. Löllgen, 1984 .

Quality Control and Test Criteria in Ergometry

H. Löllgen, H. Löllgen, 1984 .

ASPECTS OF THE VALIDITY OF BORG'S SCALE. IS IT MEASURING STRESS OR STRAIN?

H. Löllgen, H. Löllgen, H. Ulmer, 1977 .