Experiments on screw-pinch plasmas with elongated cross-section / Howard Stephan LassingThe influence of impurities on the discharge behaviour in SPICA / door Alexander Franciscus Gerardus van der MeerPlasma confinement in a screw pinch with elongated cross-section / [by] Egbertus Johannes Maria van HeeschThe belt-shaped screw-pinch reactor / by M. Bustraan ... [et al.]