@article{PM_1989_1989_1_a28,
     author = {Fay, Temple H. and Hardie, Keith A.},
     title = {Secuencias de longitud exacta bivariante {(II).}},
     journal = {Publicacions matem\`atiques},
     pages = {185-203},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1989_1989_1_a28/}
}