Add paper citation

Author: cywhale

README.md

@@ -12,6 +12,11 @@
 
     2. There are hundreds of figures for the characteristics of copepod classification in this site, which were hand-drawn or collected from literatures by the author. It would be a great help to identify copepods.
 
+* Paper citation
+
+  - Shih, Chang-tai; Chen, Qing-Chao; Lan, Yang-Chi; Hsiao, Shih-Hui; and Weng, Chi-Yu (2022). Keys to Genus of Calanoid Copepods Of China Seas. Journal of Marine Science and Technology, 30(4), 43-107. DOI: 10.51400/2709-6998.2590 https://jmstt.ntou.edu.tw/journal/vol30/iss4/
+  - Other 88 articles in Journal of Marine Science and Technology, 30(5), Article 1-88. https://jmstt.ntou.edu.tw/journal/vol30/iss5/
+
 * website for genus taxonomic key of Calanoid copepods by Dr. Chang-tai Shih:  https://bio.odb.ntu.edu.tw/copkey
 
 * website for introduction of Calanoid copepods by Dr. Chang-tai Shih:  https://bio.odb.ntu.edu.tw/copbook