The London Protocol : what it is and how to implement it. - 2014 edition. - xi, 72 pages ; 30 cm "IMO publication. Sales number: I533E"--Title page verso. ISBN: 9789280115741 928011574X LCCN: 2014471128 LC Class. No.: K3588.31972 .A4 2014 / .A4 2014