000 00262nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _aNR:0161965/69
_bACS
245 0 _aBibliography: Closed cell sponge as extrusion and molding
260 _aACS
_b1970
942 _cBK
999 _c43455
_d43455