Bandha Yoga

year of pub­li­ca­ti­onISBNauthor(s)title
2006978-0-9779614-0-5Ray LongScientific Keys Volume 1: The Key Muscles of Hatha Yoga
  ''978-0-9779614-1-2Ray LongThe Key Muscles of Hatha Yoga (Scientific Keys)
2008978-0-9779614-2-9   ''Scientific Keys Vol. II: The Key Poses of Hatha Yoga