000 00400pam a2200133a 44500
040 _aP K Kelkar Library, IIT Kanpur
082 _a621.381
_bW153i
100 _aWalker, R. C.
245 1 _aThe industrial applications of gasfilled triodes (Thyratrons)
_cR. C. Walker
260 _aLondon
_bChapman & Hall
_c1950
300 _aix, 325p
650 _aElectronic engineering
997 _a912 s C
999 _c416369
_d416369