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- [21] Research and development at Merck - Chemistry and laboratory (vol 45, pg 304, 1997) NACHRICHTEN AUS CHEMIE TECHNIK UND LABORATORIUM, 1997, 45 (05): : 524 - 524
- [22] Brother, can you spare a cyclotron? (vol 100, pg 45, 1997) TECHNOLOGY REVIEW, 1997, 100 (08): : 68 - 68