Studies on the Adsorption of Pyridine and 2,6-Dimethylpyri-dine on SiO2, Al2O3, NaY and HY by 13CNMR
Sheng Taicheng, Xu Zongyu, Zhao Huansui, Hao Shuxuan
Chem. J. Chinese Universities . 1989, (3): 317 -319 .