00639cam a2200217u 4500 14822087 BD-DhUL 20170924114941.0 070425s1940 enkad 000 0 eng 41016425 DLC CarP DLC BD-DhUL QC815 .C52 538.7 CHS Chapman, Sydney, Geomagnetism : vol. 1, geomagnetic and related phenomena / Sydney Chapman and Julius Bartels. Oxford : The Clarendon press, 1940. 2 v. : ill. ; 25 cm. Geomagnetism. Bartels, Julius, jt. aut. ddc BK 214267 214267 0 0 ddc 0 538_700000000000000_CHS 0 NFIC 355215 DUSL DUSL GEN 2017-09-24 Purchased 538.7 CHS TBSA3846 2017-09-24 2017-09-24 BK