@article{MM2_1997__93_4_156308,
     author = {Ragni Piene and Mireille Martin-Deschamps},
     title = {Arithmetically {Cohen-Macaulay} curves in {P4} of degree 4 and genus 0.},
     journal = {Manuscripta mathematica},
     pages = {391--408},
     publisher = {mathdoc},
     volume = {93},
     number = {4},
     year = {1997},
     zbl = {0905.14027},
     url = {http://geodesic.mathdoc.fr/item/MM2_1997__93_4_156308/}
}