TY  - JOUR 
T1  - Field - free and field - stimulated electron emission from solids
JO  - Brazilian Journal of Physics
A1  - Gross, Bernhard
A1  - Pintão, Carlos A.F.
A1  - Hessel, Roberto
SN  - 0103-9733
UL  - 10.1590/S0103-97331999000200005
VL  - 29 
Y1  - 1999
PB  - Brasil 
ER  -