G. V. Coyne,S. J., M. A. Hoskin and O. Pedersen (eds.): GregorianReform of the calendar,Proceedings of the Vatican Conference in commcmorate its 400th Anniversary 1582 to 1982. Pontificia Academia Scientiarum - Specola Vaticana. Città del Vaticano 1983. Preis: $ 20.- for individuals, $25.- for instit. and libr |