TY  - BOOK
AU  - Seligman,Martin E.P.
TI  - Helplessness: : on depression, development and death
SN  - 0716707519
U1  - 616.8528 23
PY  - 1975///
CY  - San Francisco : 
PB  - W.H. Freeman and Company , 
KW  - Helplessness (psychology)
ER  -