1. Sleeplessness in the child;Ferber,1989
2. Night-waking in infants during the first year of life;Anders;Pediatrics,1979
3. Night waking and temperament in infancy;Carey;J Pediatr,1974
4. Sleep patterns and life style in Oxfordshire villages;Palmer;J Biosoc Sci,1980
5. California Assessment Program: Student Achievement in California Schools: 1979-1980. Annual report, prepared under the direction of Alexander I. Law, Chief, Office of Program Evaluation and Research, 1980.