Sources of compass error in tunnel mapping : Yow, J L Bull assoc engng geol, V19, N2, May 1982, P133–140

• Book ID: 100009345
• Publisher: Elsevier Science
• Year: 1982
• Tongue: English
• Weight: 109 KB
• Volume: 19
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(82)91613-8