000			00478nam a2200145 a 4500
005			20220228110612.0
035			_aF8901000707582
084			_aNBS 1972
245			_aEnvironmental evaluation of polyurethance foam core sandwic-h panel construction J. R. Shaver ... [et al]
260			_aWashington. : National Bureau of Standards
300			_a61 p.
690			_aMuros de apoyo - pruebas.
700			_aShaver, J. R., coaut.
710			_aE. U. A. National Bureau of Standards.
999			_c58167 _d58167