1. Paroxysmal fussing in infancy, sometimes called colic;Wessel;Pediatrics,1954
2. Clinical applications of infant temperament measurements;Carey;J Pediatr,1972
3. Revision of the Infant Temperament Questionnaire;Carey;Pediatrics,1978
4. The concept of difficult temperament;Bates;Merrill-Palmer Q,1980
5. Sleep duration and infant temperament;Weissbluth;J Pediatr,1981