@book { UsingGeographicalInformationSystemsGIStostudytheconcentrationofmajorairpollutantsinLahoreCityofPakistan,
    title = "Using Geographical Information Systems (GIS) to study the concentration of major air pollutants in Lahore City of Pakistan",
    author = "Isma {Younes} and Muhammad {Shafiq} and Fouzia {Shafiq}",
    year = "2015",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/294741"
}