TY  - BOOK
TI  - Chemical oxygen demand (dichromate value) of polluted and waste waters 1977 (two methods, one tentative)
SN  - 0117512494
PY  - 1978///
CY  - London
PB  - Her Majesty's Stationary Office
KW  - Water
KW  - Pollution
KW  - Experiments
KW  - Sewage
KW  - Analysis
KW  - Biochemical oxygen demand
ER  -