Martens, Rainer, 1942- Directing youth sport's programs / Rainer Martens. - Champaign, IL : Human Kinetics, 2001. - v, 239 p. : ill. ; 29 cm. Includes bibliographical references (p. 225). ISBN: 0736036962 RM 120.40 Subjects--Topical Terms: Sports for children--Coaching.