Microcrystalline Apatite Minerals: Mechanochemical Activation for Agricultural Application oleh Xian-Mei Zhang, Cheng Hu, Zhen-Quan He, Yasir Abbas, Yi Li, Le-Fu Lv, Xiang-Yang Hao, Guo-Sheng Gai, Zhao-Hui Huang, Yu-Fen Yang, Si-Ning Yun