From this year onwards, the Beton-Kalender is in the new format 170 x 244 mm.
Schwerpunkte: Nachhaltigkeit, Digitalisierung, Instandhaltung (2 Teile und inkl. E-Book als PDF)
Incl. a DRM-protected e-book, you will need Adobe Digital Editions and an Adobe ID to read it.
↕ New format
From this year onwards, the Beton-Kalender is in the new format 170 x 244 mm.