Fourteen circular walks in and around Radstock Historic Mining Town Bradshaw Peter Heftet / 2018 / Engelsk
Perspectives in Turbulence Studies Dedicated to the 75th Birthday of Dr. J. C. Rotta International Symposium DFVLR Research Center, Göttingen, May 11–12, 1987 Meier, Hans U. Heftet / 2012 / Engelsk