000 00252nam a2200109Ia 4500
008 220201s1983 xx 000 0 eng d
100 _aSTEPEK, J.
245 0 _aADDITIVES FOR PLASTICS
260 _bSPRINGER VERLAY
_c1983
300 _a243
942 _2ddc
999 _c69196
_d69196