000			00393nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aHAWARD(R.N)
245			_a"Strength of plastics and gases, a study in time-sensitive materials"
260			_aLondon
260			_bCleaver-Hume
260			_c1949
300			_aviii p. + 245
942			_cBooks
999			_c5697 _d5697