Graham, Frank.
Since silent spring / Frank Graham, Jr. - London : Pan Books, 1970. - xvi, 284 p.
033002938X
Agricultural chemicals--Environmental aspects--United States.
Pesticides--Environmental aspects--United States.
Since silent spring / Frank Graham, Jr. - London : Pan Books, 1970. - xvi, 284 p.
033002938X
Agricultural chemicals--Environmental aspects--United States.
Pesticides--Environmental aspects--United States.