Speaking to the Sporting Life after the game, the City boss said: "Maybe Mr D'Urso will tell you why he disallowed the goal.
"I am sure he will say it was an infringement from Clinton Morrison. Nobody has touched it and it has gone straight into the back of the net. We didn't deserve to lose the game.
"I promise you that next week there will be a goal like that in another game which is given. All I want is consistency.
"There's one or two crucial decisions in games and video analysis could show you in 10 seconds. It would not hold the game up and it would take pressure off the referee. At the moment everyone is in limbo."
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