| Impactul exploatării zăcămintelor de substanţe minerale utile asupra mediului I Onica Universitas, 2001 | 29 | 2001 |
| Ground surface subsidence as effect of underground mining of the thick coal seams in the Jiu Valley Basin I Onica, D Marian Archives of Mining Sciences 57 (3), 547-577, 2012 | 27 | 2012 |
| Land Degradation Under the Underground Mining Influence I Onica, E Cozma, T Goldan AGIR Revue 3, 14-27, 2006 | 16 | 2006 |
| STABILITY STUDY FOR A LARGE CAVERN IN SALT ROCK FROM SLANIC PRAHOVA. S Arad, V Arad, I Onica, A Oprina, F Chipesiu, B Mitrica, A Apostu, ... Acta Physica Polonica B 41 (7), 2010 | 15 | 2010 |
| Introducere în metode numerice utilizate în analiza stabilităţii excavaţiilor miniere I Onica Universitas, 2001 | 15 | 2001 |
| Exploatarea cu banc de cărbune subminat în abataje frontale I Onica, G Chiril AGIR, 2005 | 13 | 2005 |
| Introduction in the Numerical Methods Used in the Mining Excavations Stability Analysis I Onica PetroÕani: Universitas Publishing House, 2001 | 12 | 2001 |
| Analysis of the geomechanical phenomena that led to the appearance of sinkholes at the lupeni mine, Romania, in the conditions of thick coal seams mining with longwall top coal … DP Marian, I Onica Sustainability 13 (11), 6449, 2021 | 8 | 2021 |
| Finite element analysis of the state of stresses on the structures of buildings influenced by underground mining of hard coal seams in the jiu valley basin (Romania) DP Marian, I Onica, RR Marian, DA Floarea Sustainability 12 (4), 1598, 2020 | 8 | 2020 |
| SURFACE SUBSIDENCE PROGNOSIS USING THE INFLUENCE FUNCTION METHOD IN THE CASE OF LIVEZENI MINE. DP MARIAN, I ONICA, RR MARIAN, DA FLOAREA Mining Revue/Revista Minelor 23 (1), 2017 | 8 | 2017 |
| Applications of the finite element method in the analysis of surface stability and underground structures I Onica, DP Marian Universitas Publishing House, Petrosani, 2016 | 8 | 2016 |
| Aplicatii ale metodei elementelor finite in analiza stabilitatii terenurilor si structurilor subterane [& 1 CD anexa] I Onica, DP MARIAN Universitas, 2016 | 8 | 2016 |
| Top coal mining in longwall faces I Onica, G Chiril AGIR Publishing House, Bucureşti, 2005 | 8 | 2005 |
| Ground Deformation in the Case of Underground Mining of Thick and Dip Coal Seams in Jiu Valley Basin (Romania) G Oncioiu, I Onica Proceedings of 18th International Conference on Ground Control in Mining, 3-5, 1999 | 8 | 1999 |
| Introduction to finite element modeling. Stability of mining excavations I Onica Universitas Publishing House, Petroșani, 2016 | 7 | 2016 |
| Economical optimization of the mechanized longwall faces with top coal caving mining, in horizontal slices I Onica, V Mihailescu, F Andrioni Archives of Mining Sciences 61 (3), 2016 | 7 | 2016 |
| Necessity of Following up the Land Surface Deformation for Closed Mining Areas DA Floarea, DP Marian, I Onica 15th International Multidisciplinary Scientific GeoConference SGEM 2015, 733-738, 2015 | 7 | 2015 |
| Prognosis of the Maximum Subsidence and Displacement of the Ground Surface in the Jiu Valley Coal Basin Conditions IO MinEngPhD, EC MinEngPhD, DPM MinEngPhD, NS MinEng International Multidisciplinary Scientific GeoConference: SGEM 3, 465, 2014 | 7 | 2014 |
| Stability analysis of the rock salt rooms and pillars of the Ocnele Mari Saline with the aid of the 2D finite element modelling I Onica, E Cozma, DP Marica Annals of the University of Petroşani, Mining Engineering 12, 7-17, 2011 | 7 | 2011 |
| Environmental Mining Impact I Onica Universitas Publishing House, Petroşani, 2001 | 7 | 2001 |
