00238nam a2200097Ia 4500 210430s9999 xx 000 0 und d 668.92 Y671 Lovell Introduction to polymers 2nd Lovell BK ddc 563647 563647 0 0 0 0 NFIC SCME SCME GEN 0000-00-00 1 668.92 Y671 SCME-2812 2021-06-02 2021-05-03 2021-05-03 2021-04-30 BK