@book { NanotechnologySynthesistechniquesofsilvernanoparticles,
    title = "Nanotechnology. Synthesis techniques of silver nanoparticles",
    author = "Humaira {Khatoon} and Jawad {Nasir} and Muhammad {Shafiq} and Syed Hussain Haider {Rizvi}",
    year = "2016",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/339693"
}