The relationship between Hadamard and conventional multiplication for positive definite matrices
In: Linear algebra and its applications, Jg. 92, S. 231-2401987

A rotatable electron spectrometer system for spin- and angle-resolved photoemission experiments with circularly polarized synchrotron radiation
In: Nuclear Instruments and Methods in Physics Research A: Accelerators, Spectrometers, Detectors and Associated Equipment, Jg. 246 H. 1-3, S. 500-5031986