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999 _c62934
_d62934
005 20220105101954.0
008 180710s9999 xx 000 0 und d
020 _a139232
041 _aEN
082 _a576
_bOPE
_223
100 _aOPEN University of Sri Lanka
245 _aEnvironmental and appplied microbiology
260 _aNugegoda
_bThe Open University of Sri Lanka
_c1998
300 _a2v. (v.2-xviii, 96 p.)
509 _aNS
942 _cR