@inbook{gradri:1980,
	author = {{Jagodnik, V. and Marušić, D. and Peranić, J. and Vivoda Prodan, M. and Arbanas, Ž. and Katalinić, D.}},
	title = {{Cyclic properties of sand-clay mixtures at low confining stresses}},
}
@inbook{gradri:1979,
	author = {{Vivoda Prodan, M. and Peranić, J. and Jagodnik, V. and Marušić, D. and Štiberc, D. and Kamenar, N. and Arbanas, Ž.}},
	title = {{Shear strength of sand under different range of confining stresses using various shearing devices}},
}
@article{gradri:2000,
	author = {{Marušić, Davor and Jagodnik, Vedran}},
	title = {{Determination of the Atterberg limits using a Fall cone device on low plasticity silty sands}},
}