Henderson, NC; Berry, WE; Eiber, RJ; Frink, DW(National Underwater Accident Data Center, Department of Physical Education, Health, and Recreation, College of Human Science and Services, University of Rhode Island, 1970)
Schenck Jr, H; McAniff, J(National Underwater Accident Data Center, Department of Physical Education, Health, and Recreation, College of Human Science and Services, University of Rhode Island, 1972)
Kindwall, EP; Schenck Jr, H; McAniff, J(National Underwater Accident Data Center, Department of Physical Education, Health, and Recreation, College of Human Science and Services, University of Rhode Island, 1971)