Paul von Rague Schleyer 75th birthday festschrift (2006) Clark T Journal article The ethylene/metal(0) and ethylene/metal(I) redox system: model ab initio calculations (2006) Alex A, Hänsele E, Clark T Journal article The formation of endo-complexes between calixarenes and amines - a reinvestigation (2006) Puchta R, Clark T, Bauer W Journal article AM1*parameters for aluminum, silicon, titanium and zirconium (2005) Winget P, Clark T Journal article Regression formulae for ab initio and density functional calculated chemical shifts (2005) van Eikema Hommes N, Clark T Journal article Structures and magnetic properties of mono-doped fullerenes C59Xn and C59X(6-n - (X=B-, N+, P+, As+, Si): Isoelectronic analogues of C60 and C60 6- (2003) Jiao H, Chen Z, Hirsch A, Thiel W Journal article, Original article Excited state conformational dynamics of semiflexibly bridged electron donor-acceptor systems: a semiempirical CI-study including solvent effects (2002) Clark T, Bleisteiner B, Schneider S Journal article The 2(N+1)2 rule for spherical aromaticity: Further validation (2001) Chen Z, Jiao H, Hirsch A, Thiel W Journal article, Original article New multicentre point charge models for molecular electrostatic potentials from semiempirical MO-calculations (2000) Gedeck P, Schindler T, Alex A, Clark T Journal article Ab initio models for six-center multiple proton exchange and ion pair formation assisted by Lewis acids (2000) van Eikema Hommes N, Heidrich D, Schleyer P Journal article