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020 _a0000000000 (hbk)
020 _aSL017602
024 _a192752
037 _cReference Collections
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB, N0 RR
100 _aGoverment observatory
245 0 _aMagnetical meteorological and seismological observations
260 _aBobmay
_bGovt. Central Press
_c1990
300 _avp ill.
700 _aGoverment observatory
942 _hB, N0 RR
_cREF
_2CC
999 _c6274
_d6274