| 1. |
Katsuya Yamauchi, Relationship between Acceleration Impression and Frequency Shifting of Vehicle Sound, UN/ECE/WP29/GRB/QRTV, Informal Document GTRQRTV-05-03e, 2013.12. |
| 2. |
Katsuya Yamauchi, Effects of Age on Feasible Sound Level of AVAS, UN/ECE/WP29/GRB/QRTV, Informal Document GTRQRTV-01-05e, 2012.07. |
| 3. |
Katsuya Yamauchi, Questionnaire Surveys about Quiet Vehicle Sounds, UN/ECE/WP29/GRB/QRTV, Informal Document QRTV-08-06, 2011.10. |
| 4. |
Katsuya Yamauchi, Cross-Cultural Comparison on FeasibleSound Levels of Possible Warning Signalsfor Quiet Road Transport Vehicles, UN/ECE/WP29/GRB/QRTV, Informal Document QRTV-06-xx, 2011.05. |
| 5. |
Katsuya Yamauchi, Psychoacoustic examination in Germany on adequate sound levels of possible warning sounds for quiet vehicles, UN/ECE/WP29/GRB/QRTV, Informal Document QRTV-05-03, 2011.01. |
| 6. |
Katsuya Yamauchi, An Examination on Required Sound Levelsfor Acoustic Warning Devices for "Quiet Vehicles", UN/ECE/WP29/GRB/QRTV, Informal Document QRTV-04-05, 2010.09. |
