Jindrich's right, I did indeed use Czechoslovak Glass Review as my main source of information - all several yards of it from the 1950s-90s. I soon became aware that it was not reliable...an attribution in one edition can be completely different in another, even though sometimes it's the same photograph! So, quite a bit of thought and, where possible, cross-referencing with information in other texts was necessary. Reference was, of course, made to the objects themselves at first hand. This helps enormously, even though it does mean some attributions are arguably based on a personal opinion and 'reading' of an object, and another it may be related to. Where this was the case, I expressed that with a 'probably'.
The only reference I have come across for this range (yes, there are more shapes!), based on the colour tones and lobed design is in a period advertisement, where it is simple called 'Niagara'. No other information was listed, just the standard Sklo Export stuff. Not much help, but I thought it may perhaps help. My personal opinion and feeling is for Beranek/Skrdlovice, as I expressed on p19...if there's any news, I'd love to know, I have a couple of pieces from this range....all bought as Murano...