@article{article90939ecf,
title   = {Separation of the screening and antiscreening effects in the electron loss of 'HE POT.+' On 'H IND.2' and 'HE'},
author = {Pinho, A G and Montenegro, E C and Melo, W S and Meyerhof, W E},
year = {1992},
journal   = {Physical Review Letters}
}