@article{02100150,
title = {Existence of metrics with harmonic curvature and non parallel Ricci tensor.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {8},
year = {2003},
pages = {21-30},
zbl = {1063.53049},
language = {en},
url = {http://dml.mathdoc.fr/item/02100150}
}
Chouikha, A.Raouf. Existence of metrics with harmonic curvature and non parallel Ricci tensor.. Balkan Journal of Geometry and its Applications (BJGA), Tome 8 (2003) pp. 21-30. http://gdmltest.u-ga.fr/item/02100150/