| Ionization of nitrogen, oxygen, water, and carbon dioxide molecules by near-threshold electron impact AN Zavilopulo, FF Chipev, OB Shpenik Technical physics 50, 402-407, 2005 | 40 | 2005 |
| Dissociative ionization of ethanol, methanol and butanol molecules AN Zavilopulo, FF Chipev, LM Kokhtych Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2005 | 38 | 2005 |
| Electron impact formation of metastable atoms II Fabrikant, OB Shpenik, AV Snegursky, AN Zavilopulo Physics Reports 159 (1-2), 1-97, 1988 | 35 | 1988 |
| Resonance effects in inelastic collisions of slow electrons with cadmium and zinc atoms OB Shpenik, E Kontrosh Zh. Éksp. Teor. Fiz 65, 1797-1805, 1973 | 33 | 1973 |
| Investigation of resonances in the total cross sections for excitation of mercury atoms by slow monoenergetic electrons OB Shpenik, VV Sovter, AN Zavilopulo, IP Zapesochnyi, EE Kontrosh Zhurnal Eksperimentalnoi i Teoreticheskoi Fiziki 69, 48-58, 1975 | 30 | 1975 |
| Electron impact ionization of gas-phase guanine near the threshold AN Zavilopulo, OB Shpenik, AS Agafonova Journal of Physics B: Atomic, Molecular and Optical Physics 42 (2), 025101, 2009 | 25 | 2009 |
| Resonant charge exchange of alkaline-earth ions GS Panev, AN Zavilopulo, IP Zapesochnyi, OB Shpenik Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 67 (1), 47-53, 1974 | 19 | 1974 |
| Investigation of argon cluster ionization cross sections by electron impact AN Zavilopulo, AI Dolgin, MA Khodorkovsky Physica Scripta 50 (6), 696, 1994 | 18 | 1994 |
| Dissociative ionisation of O2 and CO2 by electron impact: Energy and angular distributions of fragments AI Zhukov, AN Zavilopulo, AV Snegursky, OB Shpenik Journal of Physics B: Atomic, Molecular and Optical Physics 23 (13), 2373S, 1990 | 18 | 1990 |
| Excitation of metastable levels of noble-gas atoms in crossed electron and gas dynamical atomic beams OB Shpenik, AN Zavilopulo, AV Snegursky, II Fabrikant Journal of Physics B: Atomic and Molecular Physics 17 (5), 887, 1984 | 17 | 1984 |
| Ionization of guanine, adenine and thymine molecules by electron impact A Ostroverkh, A Zavilopulo, O Shpenik The European physical journal D 73, 1-11, 2019 | 16 | 2019 |
| Threshold electron impact ionization of molecules AN Zavilopulo, AV Snegursky Technical Physics Letters 28, 913-915, 2002 | 16 | 2002 |
| Mass spectrometry of d-ribose molecules AN Zavilopulo, OB Shpenik, AN Mylymko, VY Shpenik International Journal of Mass Spectrometry 441, 1-7, 2019 | 15 | 2019 |
| Ionization and dissociative ionization of methane molecules AN Zavilopulo, MI Mykyta, AN Mylymko, OB Shpenik Technical Physics 58, 1251-1257, 2013 | 15 | 2013 |
| Electron impact ionization of the gas-phase sorbitol I Chernyshova, P Markush, A Zavilopulo, O Shpenik The European Physical Journal D 69, 1-7, 2015 | 14 | 2015 |
| An upgraded ion source for a mass spectrometer AN Zavilopulo, EA Mironets, AS Agafonova Instruments and Experimental Techniques 55, 65-71, 2012 | 13 | 2012 |
| Hypocycloidal electron spectrometer for studying elastic and inelastic electron backscattering from atoms, molecules, and solid surfaces OB Shpenik, NM Erdevdi, NI Romanyuk, TY Popik, AN Zavilopulo Instruments and Experimental Techniques 41 (1), 97-104, 1998 | 12 | 1998 |
| Dissociative ionization of 1, 4-bis (2, 5-phenyloxazolyl) benzene LG Romanova, AV Kukhta, AN Zavilopulo, AS Agafonova, OB Shpenik International Journal of Mass Spectrometry 279 (1), 10-14, 2009 | 11 | 2009 |
| Ionization of 4, 4′-Bis (Phenylethynyl)-Anthracene by Electron Impact AV Kukhta, IN Kukhta, AN Zavilopulo, AS Agafonova, OB Shpenik European Journal of Mass Spectrometry 15 (5), 563-570, 2009 | 10 | 2009 |
| Dynamic mass spectrometer for studies of organic and inorganic molecules AN Zavilopulo, OB Shpenik, VA Surkov Analytica chimica acta 573, 427-431, 2006 | 10 | 2006 |
