Детская энциклопедия (в 12 томах). Том 3. Вещество и энергия.

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Children's encyclopedia. In 12 volumes. Volume 3. Matter and energy. 3rd edition. Editor Markushevich A.I. Moscow. Pedagogy. 1973, 542 pp., illus. Hard cover. Encyclopedic format.

The condition of the block of pages is excellent, the binding is firmly good, the edges of the spine are slightly worn.