TY - GEN AU - Boyle, Terence P. ed. ED - SYMPOSIUM ON LONG - TERM MONITORING OF AQUATIC ECOSYSTEMS (1985 : Minneapolis) TI - New approaches to monitoring aquatic ecosystems SN - 0803109393 PY - 1987/// CY - Philadelphia PB - ASTM KW - AQUATIC ECOLOGY KW - AQUATIC ECOSYSTEMS ER -