Elementary Statistics for Geographers. : монография / G. M. Barber. - New York ; London : The Guilford Press, 1988. - 514 p.. - ISBN 0-89862-777-X : Б. ц.
Elementary Statistics for Geographers. : монография / Gerald M. Barber. - New York ; London : The Guildford Press, 1988. - 513 p.. - ISBN 0-89862-777-X : Б. ц.