Authors: GODEFROID J HELSEN S

Citation: J. Godefroid et S. Helsen, THE LAST FRASNIAN ATRYPIDA (BRACHIOPODA) IN SOUTHERN BELGIUM, Acta Palaeontologica Polonica, 43(2), 1998, pp. 241-272

Authors: HELSEN S

Citation: S. Helsen, THE INFLUENCE OF HOST-ROCK COMPOSITION ON THE COLOR ALTERATION OF NAMURIAN CONODONTS FROM BELGIUM, Geologie en mijnbouw, 75(4), 1996, pp. 373-378

Authors: HELSEN S DAVID P FERMONT WJJ

Citation: S. Helsen et al., CALIBRATION OF CONODONT COLOR ALTERATION USING COLOR IMAGE-ANALYSIS, The Journal of geology, 103(3), 1995, pp. 257-267

Authors: HELSEN S

Citation: S. Helsen, BURIAL HISTORY OF PALEOZOIC STRATA IN BELGIUM AS REVEALED BY CONODONTCOLOR ALTERATION DATA AND THICKNESS DISTRIBUTIONS, Geologische Rundschau, 84(4), 1995, pp. 738-747

Authors: HELSEN S

Citation: S. Helsen, CONODONT ALTERATION IN DEVONO-CARBONIFEROUS DOLOMITES FROM SOUTHERN BELGIUM, Geologie en mijnbouw, 74(3), 1995, pp. 225-234

Authors: HELSEN S KONIGSHOF P

Citation: S. Helsen et P. Konigshof, CONODONT THERMAL ALTERATION PATTERNS IN PALEOZOIC ROCKS FROM BELGIUM,NORTHERN FRANCE AND WESTERN GERMANY, Geological Magazine, 131(3), 1994, pp. 369-386