000 00260nam a2200109Ia 4500
999 _c7922
_d7922
020 _a0070266816
100 _aCharles A Harper
245 _aHabdbook of Plastics and Elastomers
260 _c1975
_bMcGRAW HILL
_aNew Delhi
300 _aviii+12.40+16
942 _cREF