Assessment of the quality of St. Lawrence River ecosystems (Canada) / transmitted by the Government of Canada ; prepared by C. Langlois.
1990
Полное описание
Условное обозначение[E/ECE/]ENVWA/SEM.5/R.35
ЗаглавиеAssessment of the quality of St. Lawrence River ecosystems (Canada) / transmitted by the Government of Canada ; prepared by C. Langlois.
АвторыLangois, C.
Canada
Canada
ДатаGeneva : UN, 27 Sept. 1990.
Описание
8 p. : graphs, map