21 research outputs found

    1.0 Introduction

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    Following on the success of the Win

    Proceedings of the second U.S.-Polish Symposium, Coal Surface Mining and Power Production in the Face of Environmental Protection Requirements : September 26-28, 1979, Castle Ksiaz, Poland /

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    Contract no.: J-5-533-12."October 1979.""Central Research and Design Institute for Openpit Mining, POLTEGOR."Includes bibliographical references.Mode of access: Internet
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