1
Water quality - general guide to the enumeration of micro organisms by culture.
Book
1988
...UPN - Water protection, water quality, clean water...
2
Water quality - evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds - method by analysis of released carbon dioxide.
Book
1988
...UPN - Water protection, water quality, clean water...
3
Water quality - enumeration of viable micro organisms - colony count by inoculation in or on a nutrient agar culture medium.
Book
1988
...UPN - Water protection, water quality, clean water...
4
Water quality: evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds: method by determining the oxygen demand in a closed respirometer.
Book
1988
...UPN - Water protection, water quality, clean water...
5
Water quality - determination of biochemical oxygen demand after n days (bodn) - dilution and seeding method.
Book
1983
...UPN - Water protection, water quality, clean water...