ChemInform Abstract: 183W INADEQUATE 2D NMR Spectroscopy of Hetero Arsenato‐Phosphato‐Tungstate PV/AsV Substitution in Dawson‐Type α‐[AsxP2—xW18O62] 6‐ (x = 0—2) and α‐[H4AsyP1—yW18 O62]7‐ (y = 0, 1). Issue 31 (5th August 2014)