//-->
A method for spectral analysis of concentrated solar radiation
Neumann, A., (1997)
Assessment groups for fusionwelded joints in aluminium and its alloys, according to DIN EN 30042.
Neumann, A., (1993)
Long-Term Contracts and Asset Specificity Revisited -An Empirical Analysis of Producer-Importer Relations in the Natural Gas Industry
Neumann, A., (2006)