LEADER 00631nam2 22002171i 450 001 990002246020403321 035 $a000224602 035 $aFED01000224602 035 $a(Aleph)000224602FED01 035 $a000224602 100 $a20030801d--------km-y0itay50------ba 200 1 $aThermal cyclobutane ring formation.Oxford, 1991, v. 5, p. 63-84. 463 0$1001000222787 701 1$aBaldwin,$bJohn E.$092878 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002246020403321 959 $aFFABC 996 $aThermal cyclobutane ring formation.Oxford, 1991, v. 5, p. 63-84$9398545 997 $aUNINA DB $aING01