Civil Engineering Association

Hi guys, I need the following book, thanks in advance:

Background to Buckling
H.G. Allen (Author), P.S. Bulson (Author)
Hardcover: 532 pages
Publisher: McGraw-Hill Inc.,US (May 1, 1980)
Language: English
ISBN-10: 0070841004
ISBN-13: 978-0070841000

Has anyone found this book ?