TY - BOOK ID - 127796519 TI - Learning and sleep : the theory and practice of hypnopaedia. PY - 1971 SN - 0723602875 PB - Bristol : Wright, DB - UniCat KW - Sleep-learning. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127796519 AB - ER -