@article{TAC_2007_18_a6,
     author = {Ernie Manes and Philip Mulry},
     title = {Monad compositions {I:} general constructions
and recursive distributive laws},
     journal = {Theory and applications of categories},
     pages = {172--208},
     publisher = {mathdoc},
     volume = {18},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2007_18_a6/}
}