| Clima Subcarpatilor Moldovei L Apostol Editura Universității din Suceava, 2004 | 66 | 2004 |
| The Mediterranean cyclones–the role in ensuring water resources and their potential of climatic risk, in the east of Romania L Apostol Present environment and sustainable development 2, 143-163, 2008 | 52 | 2008 |
| Rural waste management: challenges and issues in Romania L Apostol, FC Mihai Present Environment and Sustainable Development, 105-114, 2012 | 45 | 2012 |
| Thermal differentiations induced by the Carpathian Mountains on the Romanian territory LAL SFÎCĂ¹ | 41 | 2013 |
| The process of closing down rural landfills Case study: Neamț county L Apostol, F Mihai Present Environment and Sustainable Development 5 (2), 167-174, 2011 | 38 | 2011 |
| The extent and intensity of the urban heat island in Iași city, Romania L Sfîcă, P Ichim, L Apostol, A Ursu Theoretical and applied climatology 134, 777-791, 2018 | 31 | 2018 |
| Drought extent and severity on arable lands in Romania derived from normalized difference drought index (2001–2020) RV Dobri, L Sfîcă, VA Amihăesei, L Apostol, S Țîmpu Remote Sensing 13 (8), 1478, 2021 | 28 | 2021 |
| Disparities in municipal waste management across EU-27. A geographical approach FC Mihai, L Apostol Present Environment and Sustainable Development, 169-180, 2012 | 26 | 2012 |
| Geographical distribution of rural dumpsites in North-East Region from Romania F Mihai, L Apostol, A Ghiurca, A Lamasanu, B Alexandru Mihai et al_12th International Multidisciplinary Scientific GeoConference …, 2012 | 21 | 2012 |
| Geographical distribution of rural dumpsites in North-East Region from Romania F Mihai, L Apostol, A Ghiurca, A Lamasanu, B Alexandru Mihai et al_12th International Multidisciplinary Scientific GeoConference …, 2012 | 21 | 2012 |
| Frequency of thermal inversions between Siret and Prut rivers in 2013 P Ichim, L Apostol, L Sfîcă, AL Kadhim-Abid, V Istrate Present Environment and Sustainable Development, 267-284, 2014 | 20 | 2014 |
| Precipitațiile atmosferice în Subcarpații Moldovei L Apostol Editura Universității din Suceava, 2000 | 18 | 2000 |
| Vulnerability of mountain rivers to waste dumping from Neamț County, Romania F Mihai, L Apostol, A Ursu, P Ichim Romania, 51-59, 2012 | 17 | 2012 |
| Vulnerability of mountain rivers to waste dumping from Neamț County, Romania F Mihai, L Apostol, A Ursu, P Ichim Romania, 51-59, 2012 | 17 | 2012 |
| Meteorologie și climatologie: Curs L Apostol Universitatea" Ștefan cel Mare" Suceava, 2000 | 16 | 2000 |
| Considerations on the hail regime in Moldavia between the Siret and Prut rivers L Apostol, O Machidon Aerul si Apa. Componente ale Mediului, 45, 2011 | 15 | 2011 |
| Changes in cyclone intensity over Romania according to 12 tracking methods IA Nita, L Sfîcă, L Apostol, C Radu, MV Birsan, R Szep, A Keresztesi Rom. Rep. Phys 72, 706, 2020 | 13 | 2020 |
| Anomalii ale temperaturii aerului pe tetiroriul Moldovei Anomalies de la température de l'air sur le territoire de la Moldavie L Apostol Lucrarile Seminarului Geografic D. Cantemir 9, 101-108, 1988 | 12 | 1988 |
| Frequency of atmospheric circulation types over Romania according to Jenkinson-Collison method based on two long-term reanalysis datasets IA Nita, L Apostol, C Patriche, L Sfica, R Bojariu, MV Birsan Rom. J. Phys 67, 812, 2022 | 11 | 2022 |
| Influence of the Siret River Corridor on wind conditions A Liviu, S Lucian Prace i Studia Geograficzne 47, 483-491, 2011 | 11 | 2011 |
