[1]Shepard;Noth[JournaloftheAmericanChemicalSociety,1950,vol.72,p.4364,4366]
[1]Shepard;Noth[JournaloftheAmericanChemicalSociety,1950,vol.72,p.4364,4366]
[1]Shepard;Noth[JournaloftheAmericanChemicalSociety,1950,vol.72,p.4364,4366]
[1]Shepard;Noth[JournaloftheAmericanChemicalSociety,1950,vol.72,p.4364,4366]
[1]Shepard;Noth[JournaloftheAmericanChemicalSociety,1950,vol.72,p.4364,4366]