TY  - BOOK
AU  - Voelkel,James R.
TI  - Johannes Keoler
T2  - TÃBÄ°TAK popÃ¼ler bilim kitaplarÄ±
SN  - 9754032564
PY  - 2002///
CY  - Ankara
PB  - TUBITAK
KW  - Biography
KW  - sears
N1  - This book is in Turkish
ER  -