000			00458nam a2200169 454500
008			160721b xxu||||| |||| 00| 0 eng d
082			_aNASA _bCR-1556
100	1		_aFROST,L W
245	1		_aSYNTHESIS OF PYRRONE POLYMERS.
260			_bNATIONAL AERONAUTICS AND SPACE ADMINISTRATION, WASHINGTON, D.C.
300			_a,94,,,,,,
500			_aBound with NASA CR-1557-60
700			_aBOWER,G M
964			_gCIRC
997			_a101525 C
998			_c9282 _d9282
999			_c483073 _d483073