@article{rgn:2280,
	author = {{Filipan, Ivana and Jurkin, Ema and Milin Šipuš, Željka and Primorac Gajčić, Ljiljana}},
	title = {{Radionica „Plohe od sapunice“}},
}
@article{rgn:1707,
	author = {{López, Rafael and Milin Šipuš, Željka and Primorac Gajčić, Ljiljana and Protrka, Ivana}},
	title = {{Involutes of pseudo-null curves in Lorentz–Minkowski 3-space}},
}
@article{rgn:1705,
	author = {{Milin Šipuš, Željka and Primorac Gajčić, Ljiljana and Protrka, Ivana}},
	title = {{Null scrolls with prescribed curvatures in Lorentz-Minkowski 3-space}},
}
@article{rgn:1706,
	author = {{Milin Šipuš, Željka and Protrka, Ivana and Primorac Gajčić, Ljiljana}},
	title = {{Generalized helices on a lightlike cone in 3-dimensional Lorentz-Minkowski space}},
}
@phdthesis{pmf:7428,
	author = {{Protrka, Ivana}},
	title = {{Plohe konstantne srednje zakrivljenosti i njima pridružene fokalne krivulje i plohe u Minkowskijevom prostoru}},
}