Text ( visual ) : unmediated The complete Y2k home preparation guide / Ed Yourdon & Robert Roskind. -- Upper Saddle River, N.J. ; London : Prentice Hall , 1999. -- xxxv, 389p ; 22cm. -- ISBN 0130143065 ; (BA45069058) ; https://ci.nii.ac.jp/ncid/BA45069058 Author Heading(s): Yourdon, Edward ; Roskind, Robert. -- Classification(s): DC21 : 005.16. -- Subject Heading(s): LCSH : Year 2000 date conversion (Computer system)