 In the EU it was used for the first time in the "Nestlé/Perrier" case in 1992 and has been officially recognized by the European Commission in its "Commission's Notice for the Definition of the Relevant Market" in 1997.The original concept is believed to have been proposed first in 1959 by economist David Morris Adelman of the Aston University.Several other individuals formulated, apparently independently, similar conceptual approaches during the 1970s.