TY - BOOK AU - Jonas, Steven TI - Triathloning for ordinary mortals : and doing the duathlon, too SN - 9780393328776 SN - 200601238 U1 - 796.4257 JON PY - 2006/// CY - New York PB - W. W. Norton & Company KW - Aerobic exercises KW - Triathlon N1 - Includes bibliographical references (p. 243-247) and index ER -