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Editions
15 editions- Paperback · English · 1996Grand Central Publishing · 432 pages · 9780446604260
- Paperback · English · 1993Grand Central Publishing · 431 pages · 9780446600316
- Paperback · English · 1991Grand Central Publishing · 9780446362078
- Paperback · English · 1985Warner Books · 9780446341394
- Paperback · English · 1980Warner Books · 9780446934695
- Other · English · 1988Futura · 443 pages · 9780708837535
Biological rhythmsBiological ClocksCharts, diagramsBiological clocks
