TY  - BOOK
AU  - Goverment observatory
AU  - Goverment observatory
TI  - Magnetical meteorological and seismological observations
SN  - 0000000000 (hbk)
U1  - B, N0 RR 
PY  - 1990///
CY  - Bobmay
PB  - Govt. Central Press     
ER  -