000 00306nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHaward RN
245 0 _aStrength of plastics and class a study in time sensetive meterials
260 _bCleaver
260 _c1949
365 _b36.25
942 _cBK
999 _c200517
_d200517