Analysis of information sources in references of the Wikipedia article "Morska biologija" in Serbian language version.
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(помоћ). Academic Press. . Pickett, Steward T. A.; Pickett, Steward T.; White, P. S. (1985). The Ecology of Natural Disturbance and Patch Dynamics. Academic Press. ISBN 978-0-12-554521-1.|url=
(помоћ). Academic Press. . Pickett, Steward T. A.; Pickett, Steward T.; White, P. S. (1985). The Ecology of Natural Disturbance and Patch Dynamics. Academic Press. ISBN 978-0-12-554521-1.