Wisden Cricketers' Almanack activity among cricket followers, and early editions command high prices. The first edition, only 112 pages long, sold for one shilling. Rare copies of the early editions can sell for thousands of pounds. Although devoting most of its pages to a survey of the contents of Wisden from 1864 to 2010, the last 44 pages of "The Wisden Collector's Guide" contains a significant amount of information of interest and practical use to the collector. The two main UK-based on-line resources for "Wisden" collectors are the Wisdens.org (www.wisden.guru) and "Wisden" Collectors Club websites (see External Links). Facilities offered by the former
European Terrestrial Reference System 1989 European Terrestrial Reference System 1989 The European Terrestrial Reference System 1989 (ETRS89) is an ECEF (Earth-Centered, Earth-Fixed) geodetic Cartesian reference frame, in which the Eurasian Plate as a whole is static. The coordinates and maps in Europe based on ETRS89 are not subject to change due to the continental drift. The development of ETRS89 is related to the global ITRS geodetic datum, in which the representation of the continental drift is balanced in such a way that the total apparent angular momentum of continental plates is about 0. ETRS89 was officially born at the 1990 Florence meeting of EUREF, following