1. Spontaneous ignition hazards in stockpiles of cellulosic materials: Criteria for safe storage;Gray;J. Chem. Tech. and Biotechnology,1984
2. Spontaneous combustion of cotton;Little,1991
3. Self-Heating: Evaluating and Controlling the Hazards;Bowes,1984
4. The influence of initial temperature excess on critical conditions for thermal explosion;Gray;Combustion and Flame,1985
5. On the nonlinear equation Δu+eu=0 and υt=Δυ+eυ;Fujita;Bull. Amer. Math. Soc.,1965