Environment and safety supplement.
| Μορφή: | Βιβλίο | 
|---|---|
| Έκδοση: | Tokyo, Japan.
          Eastern Asia Society for Transportation Studies
    
        c1999. | 
| Σειρά: | Journal (Eastern Asia Society for Transportation Studies)
              vol. 3, no.1 supplement | 
| Θέματα: |