ISBN 0521303583 books & textbook
Science and Civilisation in China, Volume 5: Chemistry and Chemical Technology, Part 7, Military Technology: The Gunpowder Epic
Needham, Joseph Ping-Yü, Ho Gwei-Djen, Lu Ling, Wang
Cambridge University Press /1987-02-27 Hardcover / 742 Pages
isbn-10: 0521303583 / isbn-13: 9780521303583
