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1999, vol.47, no.1	1999, vol.47, no.11	1999, vol.47, no.12	1999, vol.47, no.2	1999, vol.47, no.3	1999, vol.47, no.4
1999, vol.47, no.5	1999, vol.47, no.6	1999, vol.47, no.7	1999, vol.47, no.8	1999, vol.47, no.9

题名	作者	出版年	年卷期
A dream come true: through the three gorges part two	Peng Jie	1999	1999, vol.47, no.4
An old lion still running strong	Hubert H. Hayes	1999	1999, vol.47, no.4
Montgomery Kone EcoSystem rises in Florida	Jim Marcusky	1999	1999, vol.47, no.4
Recent elevator design supported by computer technology	Noboru Shibata; Koichi Hasegawa; Kazunori Hashimoto; Shingo Akasaka	1999	1999, vol.47, no.4
The history of the escalator	David A. cooper	1999	1999, vol.47, no.4