TY - BOOK AU - Ferrara S Ed. AU - Taylor J G Ed. ED - International conference on supergravity'81 (1 : 1981 : Italy Trieste) TI - Proceeding on supergravity'81 U1 - C18p1,N81, M2 PY - 1982/// CY - Cambridge PB - Cambridge University Press KW - Gravity ER -