LEADER 00616nam2 22002171i 450 001 990002246210403321 035 $a000224621 035 $aFED01000224621 035 $a(Aleph)000224621FED01 035 $a000224621 100 $a20030801d--------km-y0itay50------ba 200 1 $a[4+4] and [6+4] cycloaddition. Oxford,1991, v. 5, p. 617-644. 463 0$1001000222787 701 1$aRigby,$bJames H.$092893 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990002246210403321 959 $aFFABC 996 $aAnd 6+4 cycloaddition. Oxford,1991, v. 5, p. 617-644$9398431 997 $aUNINA DB $aING01