You can also use parentheses in your queries to group boolean expressions together. Nested parentheses are also supported.
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Open access to 912’135 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics.
As from January 1st, 2014, you can publish at no cost in the journals listed below AND your article will be accessible online without any restrictions! Within the SCOAP3 project, ...