000 00442nam a22001817a 4500
003 ISURa
008 141118b xxu||||| |||| 00| 0 eng d
020 _a9789552120862
041 _aEnglish
082 _a608
_bINV
245 _aInventions & discoveries
260 _aColombo
_bM.D.Gunasena
_c2012
_g2012
300 _a64 p.
_bcol. ill.
_c26 cm.
650 _aInventors
650 _aDiscoveries
650 _aTechnology
942 _2ddc
_cLN
999 _c45571
_d47118