TY  - BOOK
AU  - Perrig,Alexander
AU  - Joyce,Michael
TI  - Michelangelo's drawings: the science of attribution 
SN  - 0300039484 :
U1  - 741.94509 
PY  - 1991///
CY  - New Haven
PB  - Yale University Press
KW  - Michelangelo Buonarroti,
N1  - Translated from German; Includes bibliographical references and index
ER  -