00572nam a22001457a 4500008004100000040005500041080001900096100002100115245018500136260004400321300001000365650002000375653001200395653001900407230310b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aD 025.4 bK2.1  aRanganathan, S R  aElements of library classification: bBased on lectures delivered at the University of Bombay in december 1944 and in the schools of librarianship in Great Britain in december 1956  aBombay: bAsia Publishing House, c1962  a168p.  aLibrary science  aLibrary  aClassification