fig 13A, Arrival_Tower
fig 76A, Project Kievit
fig 76B, Project Kievit
fig 76C, Project Kievit
fig 76D, Project Kievit
fig 77A, Concrete building elements
fig 77B, Concrete building elements
fig 77C, Concrete building elements
fig 77D, Concrete building elements
fig 77E, Concrete building elements
fig 77F, Concrete building elements
fig 77G, Concrete building elements
fig 77H, Concrete building elements