DIY Solar Projects for Beginners Small and Easy Projects to Whole-Home Systems That Use the Sun Smith, Eric Heftet / 2025 / Engelsk
New Species of Rhadinaea (Colubridae) From the Caribbean Versant of Guatemala (Classic Reprint) Smith, Eric N. Heftet / 2018 / Engelsk
Origin and Nature of Life on Earth The Emergence of the Fourth Geosphere Smith, Eric Heftet / 2025 / Engelsk
Origin and Nature of Life on Earth The Emergence of the Fourth Geosphere Smith, Eric Innbundet / 2016 / Engelsk
Towards Analytical Techniques for Systems Engineering Applications Acosta, Griselda Heftet / 2021 / Engelsk
Towards Analytical Techniques for Systems Engineering Applications Acosta, Griselda Innbundet / 2020 / Engelsk
African Americans in Pennsylvania Shifting Historical Perspectives Trotter, Joe W. Heftet / 1997 / Engelsk
