1. Guidelines for community noise;Berglund,2002
2. ENPro 3.0 user manual – noise prediction and design software;Cho,2002
3. Modular precision sound analyzer Type 2260; basic sound analysis software BZ7210, product data sheet;Anon,1996
4. eTrex venture personal navigator – owner’s manual and reference guide;Anon,2001
5. GPS land navigation; a complete guidebook for backcountry users of the NAVSTAR satellite system;Ferguson,1997