Forward velocity in relation to a specific timing sequence in butterfly swimming by Champer, Jerry A.

Subjects: “…Swimming Butterfly stroke Physiological aspects.…”

A mathematical analysis of swimming the breastroke and dolphin butterfly strokes by MacDonald, Frederic Wellington

Butterfly swimming / by Ryan, Frank

Swimming : steps to success / by Thomas, David G., 1924-

Table of Contents: “…Buoyancy and Back Float -- Basic Backstroke -- Prone Float and Crawl Kick -- Crawl Stroke and Breathing -- Breaststroke -- Sidestroke -- Back Crawl Stroke -- Butterfly Stroke -- Trudgen Strokes -- Surface Dives and Underwater Swimming -- Standing and Kneeling Dives -- Universal Sculling -- Additional Strokes, Stunts, and Games.…”

As If By Design : How Creative Behaviors Really Evolve / by Wasserman, Edward A.

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