TY - BOOK AU - GASTON M J TI - Tugs today: modern vessels and towing techniques SN - 1852605219 (hbk.) PY - 1996/// CY - Sparkford, Somerset PB - Patrick Stephens KW - TUGS N2 - This work is a survey of vessels and techniques employed in world shipping and covers ship and tanker handling, harbour and coastal duties, oil rig supply vessels, ice breaking, emergency response roles and push-towing. The commercial and economic environment of the towage industry is discussed ER -