Berger,Peter L <br/><br/>
The social construction of reality  a treatise in the sociology of knowledge 

 - USA  Penguin Books Ltd.  1966 
 - 249p. 
<br/><br/><label>Subjects--Index Terms: </label>social contruction 
<br/><br/><label>Dewey Class. No.: </label>301  / BER