TY  - JOUR
PB  - American Physical Society
ID  - 10.1103/PhysRevFocus.2.25
TI  - The Difference between Protons and Neutrons
JF  - Physical Review Focus
JA  - Phys. Rev. Focus
J1  - FOCUS
VL  - 2
IS  - 
SP  - 25
EP  - 
PY  - 1998/11/18/
UR  - http://link.aps.org/doi/10.1103/PhysRevFocus.2.25
A1  - Anonymous, 
ER  -