"First published in Progress in water technology, volume 12, number 6, and Water science and technology, volume 13, numbers 1, 2, and 4."--Verso of t....
"First published in Progress in water technology, volume 12, number 6, and Water science and technology, volume 13, numbers 1, 2, and 4."--Verso of t.p.
"Tenth biennial conference of the International Association on Water Pollution Research"--P. xi.