TY  - JOUR 
T1  - Mineral nutrition and caffeine content in coffee leaves
JO  - Bragantia
A1  - MAZZAFERA, PAULO
SN  - 0006-8705
UL  - 10.1590/S0006-87051999000200018
VL  - 58 
Y1  - 1999
PB  - Brasil 
ER  -