1. COOK, L.M., OSCILLATION IN SIMPLE LOGISTIC GROWTH MODEL, NATURE 207: 316 (1965).
2. SIAM Journal on Mathematical Analysis
3. LORENZ, E.N., THE MECHANICS OF VACILLATION, JOURNAL OF THE ATMOSPHERIC SCIENCES 20: 448 (1963).
4. LORENZ, E.N., THE PROBLEM OF DEDUCING THE CLIMATE FROM THE GOVERNING EQUATIONS, TELLUS 16: 1 (1964).
5. ANIMAL ECOLOGY AIMS 1963