@book{MR-1713-A,
author="Grossman, Jon and David Rubenson and William Sollfrey and Brett Steele",
title="Vertical Envelopment and the Future Transport Rotorcraft: Operational Considerations for the Objective Force",
address="Santa Monica, CA",
year="2003",
doi="10.7249/MR1713",
publisher="RAND Corporation"
}%n