TY - BOOK AU - Rogers,Hal TI - Rescue helicopters T2 - Rescue machines at work SN - 1567666574 (lib. bdg. : alk. paper) U1 - 629.133 PY - 2000/// CY - Eden Prairie, Minn. PB - Child's World KW - Helicopters in search and rescue operations KW - Helicopters KW - Rescue work N2 - A brief introduction to rescue helicopters, what they do, and how they work ER -