Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Das K. P.,Parametric Excitation of Extra-Ordinary Waves in Cold Plasma,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1970,28,5,1310-1314,https://cir.nii.ac.jp/crid/1390001204194462208,https://doi.org/10.1143/jpsj.28.1310