00401nam a2200145Ia 4500003000900000008004100009040001600050080001900066100001800085245006800103260002800171300001000199650002700209650001900236IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a621.381.4bWEL  aWelsby, V. G. 4aThe theory and design of inductance coilscVernon Gearon Welsby  aLondonbMacDonaldc1950  a180p.  aElectrical Engineering  aNASA Thesaurus