A Plea for Lean Software (1995) [pdf]
'strongly typed language increases the productivity' How was this tested? Was there a control group? I would argue that currently Javascript and Python have been greatly improving the productivity. The type system works well in the maintenance, API definitions and 'no unit tests' scenarios, but when you have to do something you don't have yet any clue about -for exmple at the start of a years long app development project, the type system is just in the way.