@book { DESIGNOF4x4BITSRAMUSINGVHDL,
    title = "DESIGN OF 4x4 BIT SRAM USING VHDL",
    author = "Amit {Bhattacharyya}",
    year = "2015",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/313154"
}