... of this exercise is to sharpen the focus on digitally available sources.
Since recent years more and more editions are published on the internet. They show
En los últimos años, más y más ediciones se publican en el Internet. Muestran ..."
... No abstractavailable.
. It was books, knowledge that was already available to the world, that he absorbed and which awakened his
, to discover
and to understand. It was books, knowledge that was already available to the world, that he ..."