TY - BOOK ID - 133482885 TI - Progressive relaxation : a physiological and clinical investigation of muscular states and their significance in psychology and medical practice PY - 1938 PB - Chicago, Ill. : The University of Chicago Press, DB - UniCat KW - Rest. UR - https://www.unicat.be/uniCat?func=search&query=sysid:133482885 AB - ER -