TY - BOOK AU - Bryant, Cedric X AU - Ekeroth, Christine J AU - Green, Daniel J TI - Ace group fitness Instructor manual: a guide for fitness Professionals SN - 9781890720209 U1 - 613.70202 BRY PY - 2007/// CY - San Diego, CA PB - American Council on Exercise KW - Exercise KW - physical excersice KW - Physical Fitness N1 - Includes index ER -