TY  - BOOK
AU  - Young,Sera L.
TI  - Craving earth: understanding pica : the urge to eat clay, starch, ice, and chalk 
SN  - 978-0-231-51789-8
U1  - 613.2 
PY  - 2011///
CY  - New York
PB  - Columbia University Press
KW  - Pica
KW  - Etnologia
KW  - Historia
KW  - Pica (Patología)
ER  -