@misc{indiciae0b5ac0454244, title = {[Learning and EEG-activation during sleep in humans].}, author = {D Lehmann and M Koukkou}, year = {1968}, doi = {10.1007/bf00600481}, url = {https://pubmed.ncbi.nlm.nih.gov/5678043/}, note = {Source identifier: 5678043} }