000 00254nam a2200097 4500
245 _aPreface to Library Science
_cS. R. Ranganathan
100 _aRanganathan, S. R
260 _aDelhi
_bUniversity of Delhi
_c1948
300 _a203p.; 22cm.
082 _a020
_bRAN
999 _c60868
_d60868