تعداد ۱ پاسخ غیر تکراری از ۲ پاسخ تکراری در مدت زمان ۱,۳۰ ثانیه یافت شد.

1. International symposium on underground engineering 14-17April . 1988 , New Dehli , India : Proceedings

پدیدآورنده : editor , B. Singh , Sponsored and organized by central mining research station, Dhanbad,comcil of scientific and industrial research

موضوع : Underground construction - congresses,Underground area - congresses

۲ نسخه از این کتاب در ۲ کتابخانه موجود است.

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