@article{article9656b52d,
title   = {Maps of manifolds into the plane which lift to standard embeddings in codimension two},
author = {Carrara, Vera Lucia and Ruas, Maria Aparecida Soares and Saeki, Osamu},
year = {2001},
doi = {10.1016/s0166-8641(99)00181-9},
journal   = {Topology and Its Applications}
}