[sdiy] Analog computers

[BrightBoy]

> While surfing around I found this interesting article (two parts) at :
> http://www.iop.org/EJ/S/2/GOOGLE/88RUlBNSr06V3f3mzFcsUw/abstract/0031-9120/10/5/
> 007
> 
> http://www.iop.org/EJ/S/2/GOOGLE/WmN.QZlUaPiDIpjzmwxfg/abstract/0031-9120/10/6/0
> 06
> 
> You can dowload the PDF files for free !

You can????

It's telling me I have to buy the article or enter an institution code....

Jeff