ISBN 9787807340751 books & textbook
National flood management strategy study)
ZHONG GUO SHUI LI SHUI DIAN KE XUE YAN JIU YUAN ZHU AO DA LI YA GHD GONG SI
Yellow River Conservancy Press /1991-01-01 Paperback
isbn-10: 7807340754 / isbn-13: 9787807340751