000 00525 a2200241 4500
001 104556
020 _a
041 _aeng
080 _a547.1(014.5)Rin
245 _aRing index : a list of ring systems use in organic chemistry : supplement 1 (1957-59) (R)
250 _a2nd ed
260 _aWashington, D.C
260 _bACS
260 _c1963
300 _axv,371 p.
300 _c23.5 cm
490 _a
700 _a
650 _a
650 _aOrganic compounds-Synthesis-Tables
942 _cRB
942 _2UDC
999 _c167800
_d167800