TY  - JOUR 
T1  - The use of Rich and Suter diagrams to explain the electron configurations of transition elements
JO  - Química Nova
A1  - Orofino, Hugo
A1  - Machado, Sergio P.
A1  - Faria, Roberto B.
SN  - 0100-4042
UL  - 10.1590/S0100-40422013000600027
VL  - 36 
Y1  - 2013
PB  - Brasil 
ER  -