000 00288 a2200121 4500
080 _a547.655
_bS 742 C
245 1 _aCyclische acetalen van pyrocatechol
_cby J.J.V.D. Spek
260 _c1938
650 _aAcetalen
650 _aPyrocatechol
100 1 _aSpek, J.J.V.D.
_d
901 _a13389
999 _c29620
_d29620