Strykowski, Joe. Diving for fun; : a complete textbook for students, instructors, and advanced divers. [electronic resource] / Illus. by Ernie Duerksen.. — [3d rev. ed.. — Northfield, Ill.] : Dacor Corp., [1971]. — vii, 120 p. : illus. 26 cm.
74031233
Skin diving.
GV840.S78 / S83 1971
797.23