Las estepas de España y su vegetación Reyes Prósper, Eduardo, 1860-1921 creator text book Madrid Est. tip. "Sucesores de Rivadeneyra," 1915 1915
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SPA Botany Plant ecology Spain Steppes GB578.61 R4 https://www.biodiversitylibrary.org/bibliography/1434 12138114 18000472 10.5962/bhl.title.1434 DLC