@misc{sd_1811305,
    freeform = "Woike M., Jeitschko W.:<i>Preparation and Crystal Structure of the Nitridosilicates Ln<sub>3</sub>Si<sub>6</sub>N<sub>11</sub> (Ln= La, Ce, Pr, Nd, Sm) and LnSi<sub>3</sub>N<sub>5</sub> (Ln= Ce, Pr, Nd)</i>. Inorganic Chemistry<b>34</b>(1995) 5105-5108"
}