000 00283nam a2200109Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aDavid Troksel Viskosin
245 0 _aPadartha Parishodanayum Pareekshanangalum
260 _bBhasha Institute
650 _aChemistry
942 _cBK
999 _c40013
_d40013