The definition of Ashtanga Yoga (literally "eight-limbed yoga") is a system developed by the ancient yogic sage Patanjali oulined in his yoga sutras.
Traditional Ashtanga Yoga – Anand Yoga Ashram
Ananda Mantra
Educing the Relaxation Response through Rishiculture Ashtanga Yoga
Good Spa Guide Yoga types explained
Thoughts on Yoga as a Science. According to Yogamaharishi Dr Swami…, by Yogacharya Dr.Ananda Balayogi Bhavanani MD, DSc
Yogacharya Dr Ananda Balayogi Bhavanani - Join me at 7.15AM every Saturday! Indian Yoga Association Ministry of AYUSH, Government of India NYSF Pondicherry Yogasana Association International Yoga Teachers Association Australia - Yoga
Anna-Marie O'Neill - Ashtanga Sundays with Yoga Teesside. Every Sunday, 8.30am - 9.30am Book here
40 Common Sanskrit Words Every Yogi Should Know - Yoga Journal
Ashtanga (eight limbs of yoga) - Wikipedia