00477nam a2200145Ia 4500020001500000082001900015100004400034245002700078260005200105300002000157490005900177500005600236500000500292700003400297 a0821825089 a519.2bD272.HP aDawson, Donald A. and Perkins, Edwin A. aHistorical processesb aProvidencebAmerican Mathematical Societyc1991 aiv, 179p. Bibl. aMemoirs of the American Mathematical Societyv no. 454 a"Purchased under NBHM grant for the year 2001-2002" a aPerkins, Edwin A. ; jt. auth.