@article{SF_1978__16_134274,
     author = {K.S. Nambooripad},
     title = {Relations between cross-connections and biordered sets.},
     journal = {Semigroup forum},
     pages = {67--82},
     year = {1978},
     volume = {16},
     zbl = {0389.20053},
     url = {http://geodesic.mathdoc.fr/item/SF_1978__16_134274/}
}