000 00474nam a22001457a 4500
008 230309b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.4.001.6
_bL8;1
100 _aDahlberg, Ingetraut
_92526
245 _aOntical Structures and universal classification
260 _aBangalore:
_bSarada Ranganathan Endowment,
_c1978
300 _a61p.
650 _aUniversal Classification
942 _2udc
_cBK
999 _c7288
_d7288