@article{BMMS_2013_36_2_a21,
     author = {Uday Chand De and Abul Kalam Mondal},
     title = {The {Structure} of {Some} {Classes} of {3-Dimensional} {Normal} {Almost} {Contact} {Metric} {Manifolds}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2013},
     volume = {36},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2013_36_2_a21/}
}