TY  - BOOK
AU  - Robertson, Robert J
TI  - Perceived exertion for practitioners : rating effort with the OMNI picture system
SN  - 9780736048378
SN  - 200400092
U1  - 612.044 ROB 
PY  - 2004///
CY  - Champaign, IL
PB  - Human Kinetics
KW  - Exercise - Measurement
KW  - Exercise - Psychological aspects
KW  - Exercise Test
KW  - Exertion - physiology
KW  - Perception
KW  - Perception - physiology
N1  - Includes bibliographical references (p. 159-164) and index
ER  -