000 00337nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a156072
082 _a344.046
_bOPE
100 _aOPEN University
245 _aEnvironmental law- block II
260 _aNugegoda
_bOpen university of Sri Lanka
_c1990
300 _a70p.
942 _cPR
999 _c62944
_d62944