TY  - BOOK
AU  - Waldberg,Michel
TI  - Gurdjieff: An approach to his ideas 
SN  - 0710008112 (pbk.)
PY  - 1981///
CY  - London, Boston
PB  - Routledge & Kegan Paul
KW  - Gurdjieff, Georges Ivanovitch,
N1  - Translation of: Gurdjieff; Bibliogr.: p. 158
ER  -