It's also recommended to have a look at other pages from Allan's site such as http://www.wirfs-brock.com/allen/things/smalltalk-things/tektronix-smalltalk-docum

It's also recommended to have a look at other pages from Allan's site such as http://www.wirfs-brock.com/allen/things/smalltalk-things/tektronix-smalltalk-document-archive http://www.wirfs-brock.com/allen/things/smalltalk-things/tek... which is full of interesting facts and documents.