000 00300nam a2200109Ia 4500
008 160531s9999 xx 000 0 und d
100 _aMcGuinnes, Mark.
245 _a20 Creative Blocks
245 _cby Mark McGuinness
260 _c2011
856 _uhttp://media.lateralaction.com/creativeblocks.pdf
999 _c295504
_d295504