Ecological studies of fish near a coal-fired generating station and related laboratory studies : Wisconsin power plant impact study /

"Grant no. R803971."

Ecological studies of the Sunken Forest, Fire Island National Seashore, New York /

Mode of access: Internet.

Ecological studies on the potato psyllid as a pest of potatoes /

Caption title.

Handbook of methods for acid deposition studies : laboratory analyses for soil chemistry /

Mode of access: Internet.

Experimental studies on the nature of species

"Literature cited": v.1, p. 437-442; v.2, p. 154-163; v.3, p. 124-125; v.5, p. 198-204; v.6, p. 113-115.

Environmental studies of Coffeen Lake : first annual report to Central Illinois Public Service Company /

Includes bibliographies.