MAP20070003716Cockcroft, A.N.A Guide to the collision avoidance rules : International regulations for preventing collision at sea, 1972, in force 1977 / A.N. Cockcroft and J.N.F. Lameijer ; Foreward by Capt. A.C. Manson. — London : Stanford Maritime, cop. 1976223 p. ; 22 cm