New trends in russian historiography : the interaction of the micro and macro method in the historical studies 历史研究中微观与宏观方法的互动
Milk-determination of nitrogen content-part 2 : block-digestion method macro method iso 8968-2 : 2001; german version en iso 8968-2 : 2001 牛奶.氮含量测定.第2部分:分批蒸煮法