000 00774cam a22002054a 4500
003 EC-PaCDF
005 20180910090052.0
008 050513s1974 -cn|||||||||||||||||eng|d
020 _cNormal
040 _aEC-PaCDF
_bspa
_cEC-PaCDF
041 _aeng
082 0 4 _223
_a333.7844
100 1 _aVallentyne, John R.
245 1 _aThe algal bowl:
_bLakes and man/
_cJohn R. Vallentyne.
260 3 _aOttawa, Canadá:
_bDepartment of the environment fisheries and marine servce,
_c1974.
300 _a186 p.
520 _a-The algal bowl. -Lakes and man. -Lakes are made of water. -How a lake breathes. -Phosphorus, the morning star. -The environmental physician. -Detergents and lakes. -The year of NTA. -Signs or solutions?.
546 _aIngles
942 _2ddc
_cBOOK
999 _c7779
_d7779