Media type: E-Article Title: Efficient tunable tripler of optical frequency at an autoionizing-like resonance in a continuum Contributor: Pavlov, L.I.; Dimov, S.S.; Metchkov, D.I.; Mileva, G.M.; Stamenov, K.V.; Altshuller, G.B. imprint: Elsevier BV, 1982 Published in: Physics Letters A Language: English DOI: 10.1016/0375-9601(82)90808-8 ISSN: 0375-9601 Keywords: General Physics and Astronomy Origination: Footnote: