000 00297nam a2200097Ia 4500
008 210804s9999 xx 000 0 und d
245 0 _aNational aquatic resources research and development agency Act, No.54 of 1981
260 _aColombo
_bGovt.Pub.Bureau
_c1981
300 _a17,19,18
942 _cPRGD
999 _c151793
_d151792