DETAIL Green Books
Principles - Calculations - Design tools
2013De GruyterISBN 978-3-920034-45-4
Principles - Systems - Concepts
2013De GruyterISBN 978-3-920034-49-2
Assessing sustainability - International system comparison - Economic impact of certifications
2013De GruyterISBN 978-3-920034-54-6