000 00387nam a2200169Ia 4500
008 140910s9999 xx 000 0 und d
082 _bNAR - P
100 _aNarayan,N C
245 _aPeriodisity Of S And P Block Elements
260 _aNew Delhi
260 _bOxford Uni Press
260 _c1997
300 _a90p
650 _aAPPLIED SCIENCE
942 _2DDC
942 _cBook
999 _c13833
_d13833