11

Surface water discharge of reverse osmosis concentrates

Year:
1990
Language:
english
File:
PDF, 708 KB
english, 1990
15

Bacteria and algae in stream periphyton along a nutrient gradient

Year:
2005
Language:
english
File:
PDF, 325 KB
english, 2005
18

10.1038/36561

Year:
1997
Language:
english
File:
PDF, 293 KB
english, 1997
19

10.1038/365670a0

Year:
1993
File:
PDF, 144 KB
1993
43

Random generation: Number of symbols to be randomized and time per response

Year:
1965
Language:
english
File:
PDF, 543 KB
english, 1965