000			00323nam a22001337a 4500
005			20160923100810.0
008			160923b xxu||||| |||| 00| 0 eng d
040			_cPK-IsLIS
082			_aCS 500 S416 [n.d.]
245	1		_aScience step 0 /
260			_aLahore : _bKhlid publishers, _c[n.d.]
300			_a30 p.
942			_cBK
999			_c12199 _d12199