00389nam a22001337a 4500082001800000100002200018245003300040300000800073490002100081650003900102942000700141999001300148952009400161 a 541.2254 KUL aKularathne K.W.S. aMolecular messes of polymers a46p alevel 5 PSU 3122 aMolecular polymersapolymersaousl cBK c502d502 0010708NFICaICbICcGENd2015-04-23l0o 541.2254 KULp005412r2022-11-17 00:00:00yBK