Tieh-Yong Koh. What Makes A Typhoon Spin?(DOC). School of Physical & Mathematical Sciences, Nanyang Technological University. 2005 [2015-03-21]. (原始内容存档于2010-12-22).
Tieh-Yong Koh. What Makes A Typhoon Spin?(DOC). School of Physical & Mathematical Sciences, Nanyang Technological University. 2005 [2015-03-21]. (原始内容存档于2010-12-22).