USAF Bioenvironmental Noise Data Handbook. Volume 39. UH-1F In-Flight Crew Noise
USAF Bioenvironmental Noise Data Handbook: Volume 47. O-2B In-Flight Crew Noise
USAF Bioenvironmental Noise Data Handbook: Volume 52. A-1E In-flight Crew Noise
USAF Bioenvironmental Noise Data Handbook. Volume 35. T-39B In-Flight Crew/Passenger Noise
USAF Bioenvironmental Noise Data Handbook: Volume 46. O-2A In-Flight Crew Noise