Universidad de Aconcagua – Sistema de Bibliotecas:
What we may be : techniques for psychological and spiritual growth /
Piero Ferrucci ; foreword by Laura Huxley.
- 1st ed.
- Los Angeles : Boston : J.P. Tarcher ; Distributed by Houghton Mifflin Co., c1982.
- 250 p. : ill. ; 24 cm.