11. In particular, I don t know what the referencing standards are of the German Wikipedia. 12. According to the book " Chocolate-the reference standard . 13. Once they were collected and bound, the series has become an unparalleled reference standard for magicians. 14. It also supplies pharmaceutical secondary reference standards , traceable to United States Pharmacopoeia and European Pharmacopoeia standards. 15. One commonly used algorithm that is appropriate for calibrations of Zener reference standards is described here. 16. Monographs may also detail USP Reference Standards and / or other materials needed for test performance. 17. It has become the reference standard for examining the condition and hemodynamics of the lower limb veins. 18. It's used as a reference standard when in, or crossing through, other time zones around the world. 19. The book became a library reference standard . 20. The main reference standard is the vCalendar.
