TY  - JOUR
A1  - Jefferson, G.
T1  - Notes on a Systematic Deployment of the Acknowledgement Tokens 'Yeah' and 'Mm hm'
Y1  - 1984
DO  - 10.1080/08351818409389201 
JF  - Research on Language and Social Interaction 
VL  - 17
IS  - 2
SP  - 197
EP  - -216

ER  -