@article{HoffschmidtPitzPaalBoehmer1997, author = {Hoffschmidt, Bernhard and Pitz-Paal, R. and B{\"o}hmer, M.}, title = {Experimental and numerical evaluation of the performance and flow stability of different types of open volumetric absorbers under non-homogeneous irradiation / R. Pitz-Pahl ; B. Hofschmidt ; M. B{\"o}hmer ...}, series = {Solar energy. 60 (1997), H. 3-4}, journal = {Solar energy. 60 (1997), H. 3-4}, isbn = {0038-092X}, pages = {135 -- 150}, year = {1997}, language = {en} } @book{Hoffschmidt1997, author = {Hoffschmidt, Bernhard}, title = {Vergleichende Bewertung verschiedener Konzepte volumetrischer Strahlungsempf{\"a}nger. - (Forschungsbericht / Deutsches Zentrum f{\"u}r Luft- und Raumfahrt e.V. ; 1997,35)}, publisher = {DLR}, address = {K{\"o}ln}, isbn = {1434-8454}, pages = {212 S. : Ill., graph. Darst.}, year = {1997}, language = {de} }