000 00232nam a2200073 4500
080 _a
_b
245 _aIS: 8714 - 1978; Specification for Electrical Protective Relays for Use in Seismic Areas
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1978
300 _a7p
999 _c27989
_d27989