000			00701nam a22001817a 4500
999			_c3445 _d3445
005			20180505102713.0
008			090910t xxu||||| |||| 00| 0 eng d
080			_a639.2 _bEDW
100			_aEdwards. R.W. [ed.] _eed.by
110			_aBritish Ecological Society and the Zoological Society of London _94053
245			_aConservation and productivity of natural waters
260			_aLondon _bAcademic Press _c1972
300			_axv, 318p.
490			_a(Symposia of the Zoological Society of London, no.29)
700			_aGarrod, D.J. [ed.] _94055
942			_cBK