If the paper you are searching for is not free, use @scihubot (just send the DOI and the bot will sa

If the paper you are searching for is not free, use @scihubot (just send the DOI and the bot will say whether the pdf is available or not) https://www.researchgate.net/ https://ieeexplore.ieee.org/Xplore/home.jsp https://link.springer.com/ https://www.…[+] https://taylorandfrancis.com/knowledge/