| Steel slag filters to upgrade phosphorus removal in small wastewater treatment plants: removal mechanisms and performance C Barca, D Meyer, M Liira, P Drissen, Y Comeau, Y Andrès, F Chazarenc Ecological Engineering 68, 214-222, 2014 | 130 | 2014 |
| Phosphorus removal using Ca-rich hydrated oil shale ash as filter material–The effect of different phosphorus loadings and wastewater compositions M Kõiv, M Liira, Ü Mander, R Mõtlep, C Vohla, K Kirsimäe Water Research 44 (18), 5232-5239, 2010 | 114 | 2010 |
| Oil shale CFBC ash cementation properties in ash fields T Pihu, H Arro, A Prikk, R Rootamm, A Konist, K Kirsimäe, M Liira, ... Fuel 93, 172-180, 2012 | 73 | 2012 |
| Active filtration of phosphorus on Ca-rich hydrated oil shale ash: does longer retention time improve the process? M Liira, M Kõiv, Ü Mander, R Mõtlep, C Vohla, K Kirsimäe Environmental science & technology 43 (10), 3809-3814, 2009 | 66 | 2009 |
| Transformation of calcareous oil-shale circulating fluidized-bed combustion boiler ashes under wet conditions M Liira, K Kirsimäe, R Kuusik, R Mõtlep Fuel 88 (4), 712-718, 2009 | 62 | 2009 |
| The performance of peat-filled subsurface flow filters treating landfill leachate and municipal wastewater M Koiv, C Vohla, R Mõtlep, M Liira, K Kirsimäe, Ü Mander Ecological Engineering 35 (2), 204-212, 2009 | 60 | 2009 |
| Influence of oxy-fuel combustion of Ca-rich oil shale fuel on carbonate stability and ash composition A Konist, A Valtsev, L Loo, T Pihu, M Liira, K Kirsimäe Fuel 139, 671-677, 2015 | 50 | 2015 |
| PROPERTIES AND ENVIRONMENTAL IMPACT OF OIL SHALE ASH LANDFILLS. T Pihu, A Konist, E Puura, M Liira, K Kirsimae Oil shale 36 (2), 257-271, 2019 | 30 | 2019 |
| Reuse potential of phosphorus-rich filter materials from subsurface flow wastewater treatment filters for forest soil amendment M Koiv, I Ostonen, C Vohla, R Motlep, M Liira, K Lohmus, K Kirsimäe, ... Hydrobiologia 692, 145-156, 2012 | 27 | 2012 |
| Removing phosphorus with Ca-Fe oxide granules–a possible wetlands filter material E Saaremäe, M Liira, M Poolakese, T Tamm Hydrology Research 45 (3), 368-378, 2014 | 24 | 2014 |
| Alkali activated construction materials: Assessing the alternative use for oil shale processing solid wastes P Paiste, M Liira, I Heinmaa, S Vahur, K Kirsimäe Construction and Building Materials 122, 458-464, 2016 | 23 | 2016 |
| Sediment geochemical study of hydrocarbon seeps in Isfjorden and Mohnbukta: a comparison between western and eastern Spitsbergen, Svalbard M Liira, R Noormets, H Sepp, O Kekišev, M Maddison, S Olaussen arktos 5, 49-62, 2019 | 18 | 2019 |
| Mechanical activation of the Ca-rich circulating fluidized bed combustion fly ash: development of an alternative binder system P Paaver, P Paiste, M Liira, K Kirsimäe Minerals 11 (1), 3, 2020 | 15 | 2020 |
| Alkali activation of Estonian ca-rich oil shale ashes: A synthesis P Paaver, P Paiste, M Liira, K Kirsimäe Oil Shale 36 (2S), 214-225, 2019 | 10 | 2019 |
| Active gas seepage in western Spitsbergen fjords, Svalbard archipelago: spatial extent and geological controls N Rodes, P Betlem, K Senger, M Römer, A Hodson, M Liira, T Birchall, ... Frontiers in Earth Science 11, 1173477, 2023 | 7 | 2023 |
| Shallow and deep groundwater moderate methane dynamics in a high Arctic glacial catchment GE Kleber, L Magerl, AV Turchyn, K Redeker, S Thiele, M Liira, ... Frontiers in Earth Science 12, 1340399, 2024 | 6 | 2024 |
| Active Wetlands–the use of chemical amendments to intercept phosphate runoffs in agricultural catchments: Final report of the Active Wetlands Interreg IVA project R Uusitalo, A Närvänen, K Rasa, T Salo, J Koskiaho, M Puustinen, A Brax, ... Maa-ja elintarviketalouden tutkimuskeskus, 2013 | 5 | 2013 |
| From source rocks to the surface: the fate of gas seepage in high Arctic fjords, Svalbard N Rodes, P Betlem, K Senger, M Römer, A Hodson, M Liira, R Noormets, ... 83rd EAGE Annual Conference & Exhibition 2022 (1), 1-5, 2022 | 1 | 2022 |
| Mobile phosphorus in the seabed sediments of the northern Baltic Proper, Baltic Sea: hypoxic conditions limit large-scale phosphorus release M Ausmeel, M Liira, S Suuroja EGU25, 2025 | | 2025 |
| Active gas seepage in western Spitsbergen fjords, Svalbard A Hodson, M Liira, T Birchall¹, S Roy, R Noormets¹, A Smyrak-Sikora¹, ... Natural Methane Emissions in a Changing Arctic-Implications for Climate and …, 2024 | | 2024 |
