Iyengar , B. K. S. Light on Pranayama - An imprint of HarperCollins Publishers New Delhi 2001 - xxiv , 296 p. 19.5 cm ISBN: 1855382423 Nat. Bib. Agency Control No.: 181.45 IYE Subjects--Topical Terms: Yoga Dewey Class. No.: 181.45 / IYE