World tunnelling : and subsurface excavation.
| Format: | Journal |
|---|---|
| Language: | English |
| Published: |
London :
Mining Journal.
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| Subjects: | |
| Online Availability: |
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| Published: | Vol. 1, no.1- |
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| Item Description: | Title from cover. Description base on Volume 6 Number 1 February 1993. |
| Physical Description: | volumes : illustrations ; 28 cm. |
| Publication Frequency: | Bi-monthly |
| ISSN: | 0956-8700 |