Silva Direct compass
By: Jim Martland and Sue Walsh.
Contributors: Walsh, Sue.; National Coaching Foundation.
Publisher: National Coaching Foundation; Sports Council
Published: 1993
Place of publication: Leeds
Language: eng
Other titles: Developing navigational skills using the Silva model 7DNS compass.
Notes: On behalf of the The National Coaching Foundation.

Cover title:Developing navigational skills using the Silva model 7DNS compass.