화학공학소재연구정보센터
International Journal of Coal Geology, Vol.45, No.2-3, 89-89, 2001
Geotechnical and Envirotechnical Issues Related to Coal Mining - Selected papers presented at the 8th New Zealand Coal Conference "Geotechnical Aspects of Coal Mine Stability in the Australasian Region" Wellington, New Zealand, 20-21 October 1999 - Preface