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SAE Technical Paper 841017 : Recent Technology Development of High-Powered Rotary Engine at Mazda

SAE Technical Paper 860560 : Material Technology Development Applied to Rotary Engine at Mazda

SAE Technical Paper 900036 : New Technology Development Employed for the Latest 13B-Rotary engine

SAE Technical Paper 912479 : A Performance Simulation for Spark Ignition Wankel Rotary Engine

SAE Technical Paper 920309 : Mazda 4-Rotor Rotary Engine for the Le Mans 24-Hour Endurance Race

SAE Technical Paper 950454 : The Characteristics of Fuel Consumption and Exhaust Emissions of the Side Exhaust Port Rotary Engine

I've read the following already:

SAE Technical Paper 2004-01-1790 : Developed Technologies of the New Rotary Engine (RENESIS)

I'm looking for sae papers more engendered towards the s4 13B NA engines than anything else. Thanks!