CHENG JIAN-BANG, CHENG WAN-RONG, WANG XI-HONG, HAO GONG-ZHANG, WU ZHANG-CUN. NON-DESTRUCTIVE DETERMINATION OF COMPOSITION AND THICKNESS OF MULTI-COMPONENT ALLOY THIN FILMS BY X-RAY FLUORESCENCE SPECTROSCOPIC METHODJ. Acta Physica Sinica, 1983, 32(2): 251-255. DOI: 10.7498/aps.32.251