@misc{indiciae41a114f828a4, title = {The communicative function hypothesis: an operant behavior perspective.}, author = {E Cipani}, year = {1990}, doi = {10.1016/0005-7916(90)90024-f}, url = {https://pubmed.ncbi.nlm.nih.gov/2094737/}, note = {Source identifier: 2094737} }