KONSTRUKTION, BAU UND ERPROBUNG EINES ROHRVERLEGERS DER 3. GENERATION. = DESIGN, CONSTRUCTION AND EXPERIMENT OF THIRD GENERATION PIPE LAYER = CONCEPTION CONSTRUCTION ET EXPERIMENTATION D'UN POSEUR DE TUBES DE LA 3EME GENERATIONWILLEMS CJTM.1975; JB. SCHIFFBAUTECH. GESELLSCH.; DTSCH.; DA. 1975 PARU 1976; VOL. 69; PP. 395-403Article

AN AUTOMATIC WINCH CONTROL SYSTEM FOR A PIPE LAY BARGE.WILLEMS CJTM; DROSTE W; BELL CR et al.1975; IN: ANNU. OFFSHORE TECHNOL. CONF. 7. PROC.; HOUSTON, TEX.; 1975; S. L.; AMERICAN INSTITUTE OF MINING METALLURGICAL & PETROLEUM ENGINEERS; DA. 1975; VOL. 3; PP. 139-144; BIBL. 1 REF.Conference Paper