@misc{indiciaecfec22587f2b, title = {Facilitative effects of haptic training on children's visual problem solving.}, author = {D F Bjorklund and E J Butter and L Winges}, year = {1978}, doi = {10.2466/pms.1978.47.3.963}, url = {https://pubmed.ncbi.nlm.nih.gov/740495/}, note = {Source identifier: 740495} }