| Issue Date | Title | Author(s) |
| 1-Jan-1992 | Ab initio calculation of the vibronically averaged values for the hyperfine coupling constants in NH<inf>2</inf>, NHD, and ND<inf>2</inf> | Perić, Miljenko ; Engels, B. |
| 1-Jan-1992 | Ab initio calculations of the vibronically averaged hyperfine coupling constants for the 1 <sup>2</sup>Π<inf>u</inf> electronic state of CH <inf>2</inf><sup>+</sup> | Engels, B.; Perić, Miljenko |
| 20-Dec-1993 | Ab initio calculations of the vibronically averaged hyperflne coupling constants in the 1<sup>2</sup>∏<inf>u</inf>(X<sup>2</sup>b<inf>1</inf>, a<sup>2</sup>a<inf>1</inf>) state of the water cation | Staikova, M.; Engels, B.; Perić, Miljenko ; Peyerimhoff, S. D. |
| 1-Jan-1994 | Ab initio investigation of the structure of the x<sup>2</sup>a′, a<sup>2</sup>a″ (1<sup>2</sup>Π) spectral system of hco: Investigation of the magnetic hyperfine effects | Staikova, M.; Perić, Miljenko ; Engels, B.; Peyerimhoff, S. D. |
| 1-Jan-1995 | Ab initio investigation of the vibronic and magnetic hyperfine effects in the x<sup>2</sup>Π<inf>u</inf>state of b<inf>2</inf>h<inf>2</inf><sup>+</sup> | Perić, Miljenko ; Engels, B. |
| 13-Jun-1996 | Ab initio investigation of vibrational effects on magnetic hyperfine coupling constants in the X<sup>3</sup>Σ<inf>g</inf><sup>-</sup> state of B<inf>2</inf>H<inf>2</inf> | Engels, B.; Suter, H. U.; Perić, Miljenko |
| 1-Nov-1998 | Ab initio study of the electronic spectrum of C<inf>2</inf>H<inf>2</inf><sup>+</sup>. : I. Vertical spectrum and angular potential curves | Perić, Miljenko ; Engels, B.; Hanrath, M. |
| 1-Nov-1998 | Ab initio study of the electronic spectrum of C<inf>2</inf>H<inf>2</inf><sup>+</sup>. : II. Stretching potential energy surfaces for low-lying doublet electronic states | Perić, Miljenko ; Engels, B. |
| 20-Feb-2005 | An ab initio study of the hyperfine structure in the X <sup>2</sup> Π electronic state of HCCS-calculation of vibronically averaged components of the anizotropic hyperfine tensor | Mladenović, M.; Perić, Miljenko ; Ranković, Radomir ; Engels, B. |
| 15-Dec-1997 | Ab initio treatment of the Renner-Teller effect in tetra-atomic molecules undergoing large amplitude bending vibrations | Perić, Miljenko ; Ostojić, B.; Schäfer, B.; Engels, B. |
| 1-May-1999 | Erratum: Ab initio study of the electronic spectrum of C<inf>2</inf>H <inf>2</inf><sup>+</sup>: Investigation of structure and spectra involving low-lying doublet electronic states (Journal of Chemical Physics (1998) 109 (3086)) | Perić, Miljenko ; Ostojić, B.; Engels, B. |
| 1-Jan-1996 | On a theoretical model for the Renner-Teller effect in tetra-atomic molecules | Perić, Miljenko ; Ostojić, B.; Engels, B. |
| 1-Jan-1992 | Study of the hyperfine coupling constants (<sup>14</sup>N and <sup>1</sup>H) of the NH<inf>2</inf> molecules in the X <sup>2</sup>B <inf>1</inf> ground state and the A <sup>2</sup>A<inf>1</inf> excited state | Engels, B.; Perić, Miljenko ; Reuter, W.; Peyerimhoff, S. D.; Grein, F. |
| 1-Jan-1999 | Theoretical investigation of the Renner-Teller effect in Δ electronic states of tetra-atomic molecules. 1. Variational calculation of vibronic structure in the 1<sup>1</sup>Δ<inf>g</inf> state of B<inf>2</inf>H<inf>2</inf> | Perić, Miljenko ; Marian, C. M.; Engels, B. |
| 29-Jan-2008 | Theoretical spectroscopy and its impact on experiment | Marian, C. M.; Neese, F.; Engels, B.; Grimme, S.; Perić, Miljenko |
