TY  - BOOK
AU  - Provine,Robert R.
TI  - Laughter: a scientific investigation 
SN  - 0670893757
AV  - BF575.L3 P76 2000
U1  - 152.4/3 21
PY  - 2000///
CY  - New York
PB  - Viking
KW  - Laughter
KW  - Psychological aspects
N1  - Includes bibliographical references (p. 231-246) and index
ER  -