@article{TAC_2010_24_a3,
     author = {F.  Marmolejo and R. J. Wood},
     title = {Monads as {Extension} {Systems} - {No} {Iteration} is {Necessary}},
     journal = {Theory and applications of categories},
     pages = {84--113},
     publisher = {mathdoc},
     volume = {24},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2010_24_a3/}
}