TY  - BOOK
AU  - Leung,Albert Y.
TI  - Encyclopedia of common natural ingredients: used in food, drugs and cosmetics 
SN  - 0471049549
AV  - QD415 E52
PY  - 1980///
CY  - New York
PB  - Wiley
KW  - Productos naturales
KW  - Diccionarios
N1  - "A wiley - interscience publication"
ER  -