TiHKAL

《：延续》（）是美国化学家亚历山大·舒尔金与妻子安·舒尔金合著的图书，1997年出版，介绍了许多色胺衍生物类精神药物。

参考文献
外部链接

• [http://www.erowid.org/library/books_online/tihkal/tihkal.shtml Erowid Online Books: TIHKAL: The Continuation by Alexander & Ann Shulgin]
• [http://www.shulgin.es "Shulgin in Spanish" Project – Information on the first complete translation of PIHKAL and TIHKAL into Spanish]
• [http://isomerdesign.com/PiHKAL/?domain=tk TIHKAL • Info: A visual index and map of TIHKAL, including the formatted text of Book II.] Includes over 300 corrections to the original HTML version.
• [https://www.transformpress.com Transform Press – Publisher of TiHKAL]