Bedjidian, Marc Bellaiche, F G Cheynis, B Drapier, O Grossiord, J Y Guichard, A Haroutunian, R Ohlsson-Malek, F Pizzi, J R A New Measurement Of The J/$\psi$ Production Rate In Lead-lead Interactions At 158 GeV/c Per Nucleon 1997 1997