TY - BOOK ID - 141615343 TI - Activity monitoring during sleep : an objective measurement of sleep quality AU - Dirkx, J. AU - Verhaegen, P. PY - 1990 PB - Frankfurt am Main [etc.] Peter Lang DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:141615343 AB - ER -