TY  - BOOK
AU  - Watzlawick,Paul
AU  - Weakland,John H.
AU  - Fisch,Richard
TI  - Change: principles of problem formation and problem resolution 
SN  - 0393011046
AV  - BF441.W38 1974 
PY  - 1974///
CY  - New York
PB  - Norton, 
KW  - Problem solving
KW  - Change (Psychology)
KW  - Interpersonal relations
N1  - Includes bibliographical references
ER  -