00676na  a2200169   4500001001300000005001500013008004100028100002400069370004800093372005300141372005300194372004000247374005700287377001100344400001700355670013400372KAC2020S155120201113111811201113 b aznnnaabn          fa aaa      1 aPratt, John Richard  c미국(국명)[美國]0KSH19980227002nlsh  a우주 항공[宇宙航空]0KSH20000214862nlsh  a재료 공학[材料工學]0KSH19980184182nlsh  a화학[化學]0KSH19980108412nlsh  a연구원(연구자)[硏究員]0KSH19980377142nlsh  l영어1 aPratt, J. R.  aCompounds containing meta-biphenylenedioxy moieties and polymers therefrom, (National Aeronautics and Space Administration), 1993