@misc{indiciae14bb4a0c37f2, title = {[The problem-solving device Robbimat].}, author = {H J Pohley and K Köhne and W Lange}, year = {1975}, doi = {10.1007/bf00364163}, url = {https://pubmed.ncbi.nlm.nih.gov/1125341/}, note = {Source identifier: 1125341} }