000 00406nam a22001697a 4500
020 _a9789559244240
082 _a546.4 LIY
100 _aLiyanage,Sudantha
245 _af- Block Elements
260 _aColombo
_bInstitiute of Chemistry
_c2005
300 _a26p
490 _aMonograph No:30
650 _af block elements
650 _aMonograph No:30
700 _aDeraniyagala,Samitha
942 _cMON
999 _c2441
_d2441