TY  - BOOK
AU  - Friedrichs,Jurgen u
AU  - Ludtke,Hartmut u
TI  - Participant observation: theory and practive 
SN  - 0347010490
PY  - 1975///
CY  - Farnborough, Hants.
PB  - Saxon House
KW  - Participant observation
KW  - Sociology
KW  - Anthropology
N1  - Translation of Teilnehmende Beobachtung; Includes index; p. 239-252
ER  -