1

2 “... of seven years of research work of the author at the Institute of Petroleum and Organic Geochemistry in J...”

3 “... Society for Testing Materials (A.S.T.M.­ Methoden) und vom Institute of Petroleum, London (I.P.-Methoden...”

4 “... achieved by the French Institute of Petroleum in the early 1970s when they developed an improved steel...”

5 “... chromatography in 1952, the Hydrocarbon Chemistry Panel of the Hydrocarbon Research Group of the Institute...”