000 00307nam a2200121Ia 4500
008 230401s2010 xx 000 0 eng d
100 _aAhrar Husain
245 0 _aChronology of Science and Techology
250 _aFIRST
260 _bKANISHKA PUBLISHER NEW DELHI
_c2010
300 _a270
942 _2ddc
_cPGDRP
999 _c2625
_d2625