00270nam a2200097Ia 4500008004100000040001100041100001600052245002300068260007100091300001000162251112s9999||||xx |||||||||||||| ||und|| aCNCLSA aE. J. Crane 0aChemical Abstracts cNovember 25 to December 10, 1956bAmerican Chemical SocietyaU.S.A bV. 50