TY  - BOOK
AU  - Ikan,Raphael
TI  - Natural products: a laboratory guide 
SN  - 0123705517
U1  - 547.0028 
PY  - 1991///, c1969
CY  - San Diego, CA
PB  - Academic Press, 
KW  - BIOQUIMICA
KW  - MANUALES DE LABORATORIO
ER  -