@misc{indiciae13ce650bd629, title = {Inside PBL groups: observation, confirmations and challenges.}, author = {Kirsten Hofgaard Lycke}, year = {2002}, doi = {10.1080/1357628021000012804}, url = {https://pubmed.ncbi.nlm.nih.gov/14741940/}, note = {Source identifier: 14741940} }