@article{Eierle2009, author = {Eierle, Benno}, title = {Structural Calculations for Windows made easy}, series = {t{\"u}r-tor-fenster-report}, journal = {t{\"u}r-tor-fenster-report}, number = {2/2009}, publisher = {VFZ Verlag}, address = {Dortmund}, year = {2009}, language = {en} }