@book{snow_reising_1999, 
  title={Effect of Pathway-In-The-Sky and Synthetic Terrain Imagery on Situation Awareness in A Simulated Low-level Ingress Scenario}, 
  DOI={10.21236/ada430687}, 
  institution={Defense Technical Information Center}, 
  author={Snow and Reising}, 
  year={1999}, 
  month={Jan}
  }