1. Scaled quantum mechanical force field for glycine in basic solution

   • Alfred H. Lowrey
   • Victor Kalasinsky
   • Robert W. Williams

   OriginalPaper Pages: 289 - 298

2. Molecular mechanics analysis of the conformations of thymidine and implications for the design of anti-AIDS drugs

   • Paul C. Yates
   • Shaun V. Kirby

   OriginalPaper Pages: 299 - 302

3. Theory of helicenic hydrocarbons. Part 2: Chemical formulas

   • S. J. Cyvin
   • B. N. Cyvin

   OriginalPaper Pages: 303 - 316

4. Derivation of structural models for two intercalated compounds of α-zirconium phosphate

   • L. E. Depero
   • M. Zocchi
   • M. A. Massucci

   OriginalPaper Pages: 317 - 321

5. The mean enthalpy of the lanthanide-oxygen bond in 2,2,6,6-tetramethyl-3,5-heptanedione chelates of praseodimium and holmium

   • Claudio Airoldi
   • Luiz S. Santos Jr.

   OriginalPaper Pages: 323 - 325

6. New thermochemical reference system expressing the relative energy of organic compounds

   • Árpád Furka
   • Ildikó Czimer

   OriginalPaper Pages: 327 - 331

7. Molecular structure of cyclobutanones resulting from cycloaddition of Moore's ketene to styrene, 1-vinylnaphthalene andp-methoxystyrene

   • S. V. Sereda
   • K. M. Turdibekov
   • Luminitza Parvulescu

   OriginalPaper Pages: 333 - 337

8. Unequivocal structural assignment of the product of methylation of 4-nitro-5-styrylimidazole

   • Vijayvithal P. Vaidya
   • Ramachandra S. Hosmane
   • Narayan S. Hosmane

   OriginalPaper Pages: 339 - 343

9. Book reviews

   • P. Pogliano
   • Alfred H. Lowrey

   BookReview Pages: 345 - 347