Diving manual :
British Sub-Aqua Club.
Diving manual : a cumprehensive guide to the techniques of underwater swimming / British Sub-Aqua club. - New York, E.U.A. : Charles Scribner's, 1977. - 573 p. ; 22 cm.
0-684-13395-0
GV840 / .S78 B75
Diving manual : a cumprehensive guide to the techniques of underwater swimming / British Sub-Aqua club. - New York, E.U.A. : Charles Scribner's, 1977. - 573 p. ; 22 cm.
0-684-13395-0
GV840 / .S78 B75