TY - RPRT TI - Compatibility of protective coatings, materials, and propellants : quarterly progress report no. 10 - April 1 to June 30, 1968 AU - Young, J P AU - Reid, G I AU - Lamb, V A PY - 1968 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 9893 DO - 10.6028/NBS.RPT.9893 ER -