The structuring and analysis of complex system problems.

"A paper presented at the Operations Research Society of America, Nineteenth National Meeting, Chicago, Illinois, May 25-26, 1961."

CETIS, Complex Effluents Toxicity Information System : data encoding guidelines and procedures /

"CR807240."

CETIS : Complex Effluents Toxicity Information System : CETIS retrieval system user's manual /

Mode of access: Internet.