"Aircraft structures." . . "Ames Research Center." . . . . . . . . . "Fire resistant polymers based on 1-((diorganooxyphosphonyl)methyl)-2,4- and -2,6-diamino benzenes"@en . . . "Fire resistant polyamide [sic] based on 1-diorganooxyphosphonylmethyl-2,4- and -2,6-diamino benzene"@en . "Fire prevention." . . "Thermal resistance." . . . . "Thermodynamic properties." . . "Aircraft equipment." . .