Nakamura, T., & Kageyama, T. Field survey and evaluation method for fouled ballast using transmitted sound characteristics. Elsevier.
Chicago Style (17th ed.) CitationNakamura, Takahisa, and Takahiro Kageyama. Field Survey and Evaluation Method for Fouled Ballast Using Transmitted Sound Characteristics. Elsevier.
MLA (9th ed.) CitationNakamura, Takahisa, and Takahiro Kageyama. Field Survey and Evaluation Method for Fouled Ballast Using Transmitted Sound Characteristics. Elsevier.
Warning: These citations may not always be 100% accurate.