000			00519nam a22001577a 4500
008			230310b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aD 025.7/.85 _bK3,2
245			_aPermanence/durability of the book-V: _bTest data of naturally aged papers
260			_aVirginia: _bW. J. Barrow Research Laboratory, _c1964
300			_a79p.
650			_2Library bookbinding
653			_aLibrary standards
653			_aLibrary binding
942			_2udc _cBK
999			_c7610 _d7610