000 00476nam a22001577a 4500
008 230609b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a628.3
_bM0
100 _aRoss, S A
245 _aDesign and selection of small wastewater treatment systems
260 _aCanada:
_bMinister of Supply & Services,
_c1988
300 _a287p.
650 _aScience
653 _aEnvironmental science
942 _2udc
_cBK
999 _c41754
_d41754