000 00539nam a22001577a 4500
008 230310b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 025.7/.85
_bK3,6
245 _aPermanence/durability of the book-V:
_bSpot testing for unstable modern book and record papers
260 _aVirginia:
_bW. J. Barrow Research Laboratory,
_c1969
300 _a28p.
650 _2Library bookbinding
653 _aLibrary standards
653 _aLibrary binding
942 _2udc
_cBK
999 _c7605
_d7605