Blum, Helcio, Victor H. Franco, and Sarah K. Price."A Survey of Direct Heating Equipment Market Actors in California." (2023).
Blum, Helcio, and Sarah K. Price."A Review of Non-Regulatory Energy Efficiency Measures in the United States." (2022).
Ke, Jing, and Helcio Blum."A panel analysis of groundwater use in California."Journal of Cleaner Production 326 (2021). DOI
Zhu, Yongnan, Jing Ke, Jianhua Wang, He Liu, Shan Jiang, Helcio Blum, Yong Zhao, Guohua He, Yuan Meng, and Jian Su."Water transfer and losses embodied in the West–East electricity transmission project in China."Applied Energy (2020). DOI
Blum, Helcio, and Edson O. Okwelum."Estimating Returns to Scale and Scale Efficiency for Energy Consuming Appliances." (2016).
Blum, Helcio, and Edson O. Okwelum."Random Numbers Generation for Lifecycle-Cost Analysis of Energy Consuming Equipment." (2015).
Blum, Helcio, and Luiz F.L. Legey."The Challenging Economics of Energy Security: Ensuring Energy Benefits in Support to Sustainable Development."Energy Economics 34.6 (2012) 1982-1989. DOI
Blum, Helcio, Barbara A. Atkinson, and Alexander B. Lekov."A methodological framework for comparative assessments of equipment energy efficiency policy measures."Energy Efficiency 6.1 (2012) 65-90. DOI
Blum, Helcio, Barbara A. Atkinson, and Alexander B. Lekov."A Framework for Comparative Assessments of Energy Efficiency Policy Measures." (2011) 35.
Höhne, Niklas, Helcio Blum, Jan Fuglestvedt, Ragnhild Bieltvedt Skeie, Atsushi Kurosawa, Guoquan Hu, Jason Lowe, Laila Gohar, Ben Matthews, Ana Claudia Nioac de Salles, and Christian Ellermann."Contributions of Individual Countries' Emissions to Climate Change and Their Uncertainty." (2010) 33.