Markku Virtanen

Fluxes of CH₄, CO₂, and N₂O in hydroelectric reservoirs Lokka and Porttipahta in the northern boreal zone in Finland

Jari T. Huttunen, Tero Väisänen, Seppo Hellsten et al. · Global Biogeochemical Cycles · 2002 · 182 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +13

A method and analysis of aquifer thermal energy storage (ATES) system for district heating and cooling: A case study in Finland

Oleg Todorov, Kari Alanne, Markku Virtanen et al. · Sustainable Cities and Society · 2019 · 68 citations · Full text

Engineering, Hydrology, Water Resources Management +17

System modelling and optimization of a low temperature local hybrid energy system based on solar energy for a residential district

Xiaolei Yuan, Lassi Heikari, Janne Hirvonen et al. · Energy Conversion and Management · 2022 · 38 citations · Full text

Engineering, Building Science, Mechanical Engineering +14

Differentiating factors of venture growth: from statics to dynamics

Hannu Littunen, Markku Virtanen · International Journal of Entrepreneurial Behaviour & Research · 2009 · 36 citations

Business, Entrepreneurship, Strategic Management +14

Differentiating growing ventures from non-growth firms

Hannu Littunen, Markku Virtanen · International Entrepreneurship and Management Journal · 2006 · 36 citations

Business, Entrepreneurship, Strategic Management +12