000 00353 a2200145 4500
082 _a633.72
_bADV
090 _c18657
_d28832
100 _aSivapalan, P.
_eed.
245 _aAdvisory circulars
260 _aTalawakelle
_bTRI
_c1990
_g1990
300 _a280p.
_c33cm
650 _aAdvisory circulars
700 _aKathiravetpillai, A.
_eed.
942 _cPR
999 _c46479
_d46479