00516nam a2200133   450000500170000004100090001708200140002624501900004026000480023030000100027850400510028854600120033970000310035120260810164207.0  aeng-  a020bDEP-  aDepth classification and reference service & reference material :bpapers for discussion at the tenth All-India Library Confrence, Hyderabad, 1-4 June 1953 /cedited by S.R. Ranganathan  aDelhi :bIndian Library association,c1953.  a444p.  aincludes bibliographical references and index.  aEnglish  aRanganathan, S.R. eeditor