@article {pmid25240708,
	title = {Maternal frustration, emotional and behavioural responses to prolonged infant crying},
	journal = {Infant Behav Dev},
	volume = {37},
	number = {4},
	year = {2014},
	month = {Nov},
	pages = {652{\textendash}664},
	author = {Barr, R. G. and Fairbrother, N. and Pauwels, J. and Green, J. and Chen, M. and Brant, R.}
}
