Das, B. K.Shyam, A.Das, R.Rao, A. D. P.2012-08-012012-08-012012Nuclear Instruments and Methods in Physics Research-A, 2012. Vol. 669: pp. 19-21http://hdl.handle.net/123456789/64384539 bytestext/htmlenIon SourcePenning DischargeSelf ExtractionDevelopment of hollow anode penning ion source for laboratory applicationArticle