TY  - BOOK
AU  - Krippendorff,Klaus
TI  - Content analysis: an introduction to its methodology 
SN  - 9781412983150 (pbk. : acidfree paper)
AV  - P93 .K74 2013
U1  - 401/.4 23
PY  - 2013///
CY  - Los Angeles
PB  - SAGE
KW  - Content analysis (Communication)
N1  - Includes bibliographical references (p. 391-414) and index
ER  -