G. Schelfhout

H2 model reduction for SISO systems

P. Van Overschee, B. De Moor, B. Moor, 1993 .

A note on closed-loop balanced truncation

B. De Moor, B. De Moor, G. Schelfhout, 1995, Proceedings of 1995 34th IEEE Conference on Decision and Control.

Frequency Weighted H 2 Model Reduction

P. Van Overschee, B. De Moor, B. Moor, 1994 .

Frequency weighted $H_2$ and Hilbert-Schmidt-Hankel norm model reduction

Bart De Moor, G. Schelfhout, 1994 .

Time-domain weighted balanced truncation

Bart De Moor, B. Moor, G. Schelfhout, 1995 .

A note on closed-loop balanced truncation

B. De Moor, B. Moor, G. Schelfhout, 1996, IEEE Trans. Autom. Control..