000			003050000a22001090004500
245			_aEnvironment forum : engineering for environmental management
110			_aUNIVERSITY OF MORATUWA
260			_aMoratuwa _bUniversity of Moratuwa _c1992
300			_a24p. [21]p. : ill.
041			_aEN
942			_cBK
999			_c42408 _d42408