000 00313nam a2200133Ia 4500
005 20260413100421.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aStandrson ,R.J
245 0 _aChemical Periodicity
260 _bN.Delhi ,East -West Press
_c1961
300 _a329
942 _cDB
999 _c664
_d664