TY  - GEN
AU  - Peter,
TI  - Nutrient balances for the evaluation of nutrient souces in water quality management [Texto fotocopiado]
SN  - US $2.00
PY  - 0000///American Water Resources Association
CY  - [S.l.]
PB  - 1973
KW  - 0390 p
KW  - D 62
N2  - Contém bibliografia
ER  -