000 003520000a22001450004500
001 3819
090 _a3819
100 _a19940512d1951 m||y0pory5003 ba
102 _aUK
200 _aThe earth's magnetism
_fS. Chapman
210 _aLondon
_cMethuen & Co
_d1950
215 _a126 p.
_d15 cm
317 _aOrigem: IM
606 _aGEOMAGNETISMO
_zIM
700 1 _aChapman
_bSydney