TY  - BOOK
AU  - Walzlawick,P
AU  - Weakland,C
AU  - Fisch,M
TI  - Change
SN  - 0393011046
PY  - 1974///
CY  - London : 
PB  - Norton, 
KW  - Psychology
KW  - Problem solving
KW  - Interpersonal relations
ER  -