TY - BOOK AU - Murgado, Amaury. TI - How to choose a helicopter for your agency: : focus on the missions you need accomplished before picking a model SN - 0893-8989 U1 - DPer 363.205 P75 Sept 2013-May 2016 v. 37 & 40, n. 9-11/1-5 PY - 2013///-May 2016 CY - California PB - Bobit Business Media, KW - Police KW - Equipment and supplies N1 - Police: the law enforcement ER -