WU ZHI-QIANG, LU XIANG-DONG, HUANG WEN-YONG, LIU HONG-TU, JIN HUAI-CHENG, WANG CHANG-SUI, ZHOU GUI-EN, WU ZI-QIN. SMALL-ANGLE X-RAY DIFFRACTION STUDY OF AMORPHOUS MULTILAYER AND SINGLE LAYER THIN FILMSJ. Acta Physica Sinica, 1987, 36(5): 591-598. DOI: 10.7498/aps.36.591