000 00330nam a2200121Ia 4500
008 220706s9999 xx 000 0 und d
100 _a2017 Reg
245 0 _aConstruction Materials
260 _bAnna University
_c2019 Nov-Dec
650 _aGE8391
856 _uhttp://library.psgitech.ac.in/Question_Bank/QB15.pdf
942 _cQB
999 _c25607
_d25607