LEADER 00000nam 2200181 a 4500 001 0454030 003 UkHlHU 007 t 008 000411 1 1974 000 eng 040 UkHlHU 050 4 QC 754.2 M3 L2 100 0 Lang, Joannes, G. 245 04 The magnetic field. 260 London :|bHeyden,|c1974. 300 67p. 946 020 absent -- ISBN check required 946 6XX absent
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