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http://books.google.co.uk/books?id=_8INAAAAQAAJ&pg=PA87&lpg=PA87&dq=social+trends+germany+divide&source=bl&ots=p_DPVCqif5&sig=2wH3VcjTHzKeFr0j0DPzIcQ_f4I&hl=en&ei=4eVATMuBEIPw0gSJtfykDw&sa=X&oi=book_result&ct=result&resnum=9&ved=0CDcQ6AEwCDgK#v=onepage&q&f=false [17/07/2010]