shedding tears as a response to an emotional state in humans
- Why do we Cry,Walter, Chip, Source: Scientific American Mind; Dec2006, Vol. 17 Issue 6, p44, 8p,ISSN 1555-2284
- Fischer, Agneta. Gender and Emotion: Social Psychological Perspectives. https://books.google.com/books?id=tS1C8Sl5ysEC&pg=PA158&lpg=PA158&dq=women+cry+during+menstrual&source=web&ots=ghniwFq278&sig=ugjUjJbPT5XohsvVtu0Y6p--jww&hl=en#PPA158,M1.