Ch'ien, Ping-ch'uan Tropical cyclone climatology for the China seas and western Pacific from 1884 to 1970 by P. C. Chin - Hong Kong Royal Observatory 1972- - v. maps 29 x 36 cm. - R.O. technical memoir no. 11 . - Hongkong. Royal Observatory R.O.T.M no. 11 . Contents: v. 1. Basic data Subjects--Topical Terms: TyphoonsTropics--Climate Dewey Class. No.: 551.6 / 9 / 512508 s