000 00316nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a891.421SIN:S
100 _aSingh, Satinder,
245 0 _aSur Samvedna
260 _aChandigarn
_bPunjab University
_c2011
300 _a146p
942 _cGB
999 _c17541
_d17541