TY  - RPRT
TI  - Two mathematically defined expressive language structures in humans and chimpanzees.
AU  - R Langs
AU  - A F Badalamenti
AU  - S Savage-Rumbaugh
PY  - 1996
DO  - 10.1002/bs.3830410203
UR  - https://pubmed.ncbi.nlm.nih.gov/8645135/
ID  - 8645135
ER  -