document.write ('<a href=/article/3/17.htm target=_blank>The photoelectrˇ­</a><br><a href=/article/3/16.htm target=_blank>Electronic atomˇ­</a><br><a href=/article/3/15.htm target=_blank>Gravitational¶ţĎóˇ­</a><br><a href=/article/3/14.htm target=_blank>Recognition of ˇ­</a><br><a href=/article/3/13.htm target=_blank>No form of mateˇ­</a><br><a href=/article/3/12.htm target=_blank>No form of the ˇ­</a><br><a href=/article/3/11.htm target=_blank>Xue generalizedˇ­</a><br><a href=/article/3/10.htm target=_blank>Elementary partˇ­</a><br><a href=/article/3/9.htm target=_blank>On generalized ˇ­</a><br><a href=/article/3/8.htm target=_blank>Correcting the ˇ­</a><br>')