@incollection{MEM_2011_40_1_a6,
     author = {Nickolov, Eugene and Polimirova, Dimitrina},
     title = {The {Cloud} {Computing} and {Computer} {Virology}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {89--96},
     year = {2011},
     volume = {40},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2011_40_1_a6/}
}