COMF: Gato Cat
Go back and read the quote about Penton again ..... it was the SECOND edition he gave his recommend to. It is referring back to the second edition in 1975.
Comf: The point about 1972 after 1973 is a good one and something to be pointed out to Gruss .....
JanG
CAIC Website: http://caic.org.au/zjws.htm
Personal Webpage: http://uq.net.au/~zzjgroen/