Hien, Vu Quoc, Tran Ich Thinh, Nguyen Manh Cuong, and Pham Ngoc Thanh. 2016. “FREE VIBRATION ANALYSIS OF JOINED COMPOSITE CONICAL-CONICAL-CONICAL SHELLS CONTAINING FLUID”. <i>Vietnam Journal of Science and Technology</i> 54 (5). Hanoi, VN:650. https://doi.org/10.15625/0866-708X/54/5/7684.