IMPORTANT ROLES PLAYED BY PROFESSOR HOLT DEFENG IN DEVELOPING MINERAL INDUSTRIES AND EARTH SCIENCES IN CHINA
开拓矿业、发展地学的一位先知先觉先行者——缅怀侯德封先生

On the occasion of the 100th birthday of the well-known geologist, Hou Defeng, some discussions on his important contributions to the development of mineral industry and Earth sciences in China are given.$$$$