Axel Fredrik Cronstedt: Forskelle mellem versioner

* {{cite journal |last=Gusenius |first=E M |authorlink= |year=1969|month= |title=Beginnings of greatness in Swedish Chemistry. II. Axel Fredrick Cronstedt (1722-1765) |journal=[[Trans. Kans. Acad. Sci.]] |volume=72 |issue=4 |pages=476–85 |publisher= Kansas Academy of Science|location = [[USA]]| issn = 0022-8443| pmid = 4918973 | bibcode = | jstor = 3627648| doi = 10.2307/3627648 }}

* [http://books.google.com/books?vid=OCLC02409836&id=YbsQAAAAIAAJ&pg=PA11&lpg=PA11&dq=Goldsworthy+Gurney&as_brr=1#PPP11,M1 A Practical Treatise on the Use of the Blowpipe] af John Griffin, 1827, fra [[Google Book Search]]