WOLAŃSKI NAPOLEON [red.] 703.475 703.476 STUDIES Studies in human ecology / Polish Academy of Sciences Institute of Ecology. — Warszawa : PWN-Polish Scien­- tific Pub., 1974 — . — 24 cm Vol. 7 : Growth, and socio-economic conditions / ed. by Napoleon Wolański and Małgorzata Szemik ; [Transl. by Irena Jampoler]. — 1986. — 294, [2] s . : wykr. ISBN 83-01-05096-9 ISBN 0324-8666