Horizon Research Publishing,USA (HRPUB) is a worldwide open access publisher serving the academic research and scientific communities by launching peer-reviewed journals covering a wide range of academic disciplines. As an international academic organization for researchers & scientists, we aim to provide researchers, writers, academic professors and students the most advanced research achievements in a broad range of areas, and to facilitate the academic exchange between them.
No takes yet. Share an insight, caveat, or question.
Hsiang-Wei Ker (2013) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: