There are copies on Amazon
This movie is rare and OOP, but there are copies for sale on Amazon. Here's a link:
http://www.amazon.com/gp/product/B00021LL4G/104-8387715-0968719?ie=UTF8&tag=edgevideo-20&linkCode=xm2&camp=1789&creativeASIN=B00021LL4G
There are DVD copies at amazon.co.uk too.
The quality is not that great, more like a VHS Rip and no subs but ok, such is life