000 00322nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c950
040 _aET
100 _aS.R. RANGANATHAN
245 4 _aTHE FIVE LAWA OF GB SCIENCE
260 _bESS -ESS PUB.
_aDELHI
300 _a458
500 _a20031
942 _cBK
999 _c26249
_d26249