@misc{indiciae2b046f4166eb, title = {A method for evaluating child-parent inter-action under controlled conditions.}, author = {M MARSCHAK}, year = {1960}, doi = {10.1080/00221325.1960.10534309}, url = {https://pubmed.ncbi.nlm.nih.gov/14421486/}, note = {Source identifier: 14421486} }