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Citation: G. Tacke et al., The Hamburger Schreibprobe: Problems with a new spelling test, PSYCHOL ERZ, 48(2), 2001, pp. 135-145

Authors: Tacke, G Volker, R Lohmuller, R

Citation: G. Tacke et al., Answer to: "Comparing the spelling tests: How to determine the quality theright way", PSYCHOL ERZ, 48(2), 2001, pp. 153-156

Authors: Sascha, CV Marcel, S Wolfram, H Volker, R

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Authors: Volker, R Smith, MD Suttner, G Yorke, HW

Citation: R. Volker et al., Numerical hydrodynamic simulations of molecular outflows driven by Hammer jets, ASTRON ASTR, 343(3), 1999, pp. 953-965