@book{the+quot+electrical+theory+quot+of+the+universe+or+the+elements+of+physical+and+moral+philosophy,
    author = {Mackintosh, T. Simmons i Mackintosh, T. Simmons.},
    title = {The \"electrical theory\" of the universe : or the elements of physical and moral philosophy},
    address = {London i Manchester},
    publisher = {N. Netherington : i Watson ; i Abel Heywood},
    date = {1838}
}