Robbers, James E. Pharmacognosy and pharmacobiotechnology / James E. Robbers, Marilyn K. Speedie, Varro E. Tyler. - Baltimore, Maryland : William & Wilkins, 1996. - vi, 337 pages : illustrations ; 25 cm. Includes index. ISBN: 068308500X Hb. Bp. Subjects--Topical Terms: Pharmacognosy. Technology, pharmaceutical. Biotechnology. LC Class. No.: RS 160 R62 1996 CHS