Boszormenyi-Nagy, Ivan,  1920- <br/><br/>
Invisible loyalties:   reciprocity in intergenerational family therapy / 
by] Ivan Boszormenyi-Nagy [and] Geraldine M. Spark. 
 - Hagerstown, Md. :  Medical Dept., Harper & Row ,  1973. 
 - xxi, 408 p.   24 cm. 
<br/><br/>Bibliography: p. 388-392. 
<br/><br/><label>ISBN: </label>061405213 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family psychotherapy<br/>Intergenerational relations
<br/><br/><label>LC Class. No.: </label>WM 430.5.F2