TY  - BOOK
AU  - Csikszentmihalyi, Mihaly,
TI  - Flow: the psychology of optimal experience
SN  - 9780060920432 (pbk.)
U1  - 155.2 CSI 
PY  - 1990///
CY  - New York
PB  - Harper Perennial
KW  - Happiness
KW  - Attention
N1  - Gratis
ER  -