72

Calculation and Application on Elastic-Plastic Coal Pillar Width of the Stope

Year:
2011
Language:
english
File:
PDF, 315 KB
english, 2011
93

Onosma dolichoutum W.T.Wang (Boraginaceae), a new synonym of O. bracteatum Wall.

Year:
2018
Language:
english
File:
PDF, 905 KB
english, 2018