TY  - BOOK
AU  - Van Zeist, Willem
AU  - Van Zeist, Willem
TI  - Progress In Old World Palaeothnobotany: A Retrospective View On The Occasion Of 20 Years Of The Int. Work Group For..
U1  - IOY173z7 
PY  - 1991///
CY  - Rottrdam
PB  - Balkema
KW  - IOY173z7
ER  -