@incollection{Kulmatycki12,
author = {Leslaw Kulmatycki},
title = {Relaxation Techniques and States – Applications to Physical Therapy},
booktitle = {Physical Therapy Perspectives in the 21st Century},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Josette Bettany-Saltikov and Berta Paz-Lourido},
chapter = {13},
doi = {10.5772/35319},
url = {https://doi.org/10.5772/35319}
}