TY  - BOOK
AU  - Zichichi,Antonino
AU  - De Sabbata,Venzo
AU  - Sanchez,Norma
TI  - Gravitation and modern cosmology: the cosmological constant problem
SN  - 0306440547
PY  - 1991///
CY  - New York
PB  - Plenum Press
KW  - Gravitation
KW  - Congresses
N1  - ' Proceedings of a symposium held in honor of Peter Gabriel Bergmann,s 75th birthday, held September 17-20, 1990, in Erice, Sicily, Italy'-- T.P. verso
ER  -