Verma, J.. "(I) Ion temperature determination by measurement of Doppler broadening of H[alpha]line in a plasma ; (II) Shielding effect on the RF power ; (III) Ionization by a high current pulse discharge /." Doctoral dissertation, Ohio State University, 1965. http://rave.ohiolink.edu/etdc/view?acc_num=osu148663097430546Chicago Manual of Style (17th edition)