TY  - BOOK
AU  - Berger Peter L
AU  -  Luckmann Thmas
TI  - Social construction of reality :  A treatise in the sociology of knowledge
T2  - FYUP DC-1 SOC
U1  - R20bY1, K7 
PY  - 1967///
CY  - London
PB  - Allen Lane the Penguin Press U. K. 
KW  - PHILOSOPHY
ER  -