====== Useful links ====== ----- [[http://adsabs.harvard.edu/abstract_service.html|ADS Harvard]]\\ [[http://cdsads.u-strasbg.fr/abstract_service.html|ADS CDS]]\\ [[http://esoads.eso.org/abstract_service.html|ADS ESO]]\\ [[https://arxiv.org/find/astro-ph|arXiv Cornell]]\\ [[https://lanl.arxiv.org/find/astro-ph|arXiv LANL]]\\ [[http://de.arxiv.org/find/astro-ph|arXiv Germany]]\\ [[http://es.arxiv.org/find/astro-ph|arXiv Spain]]\\ [[http://simbad.u-strasbg.fr/simbad/|Simbad]]\\ [[http://ned.ipac.caltech.edu/|NED]]\\ [[https://www.google.com/|Google]]\\ [[http://en.wikipedia.org/wiki/Main_Page|Wikipedia]]\\ [[https://archive.nrao.edu/archive/advquery.jsp|NRAO archive]]\\ [[https://naps.ncra.tifr.res.in/goa/auth/login.jsp|GMRT archive]]\\ [[http://www.ncra.tifr.res.in:8081/%7Esecr-ops/sch/webfiles/gtac.php|GMRT observing schedule]]