TY  - JOUR
T1  - The Sunspot Observations Made in 1999
AU  - Başal, Mevlana
AU  - Güver, Z. Funda Bostancı
PY  - 2012
DA  - March
JF  - İstanbul University Science Faculty the Journal of Mathematics Physics and Astronomy
PB  - Istanbul University
WT  - DergiPark
SN  - 1300-0713
SP  - 57
EP  - 75
VL  - 2
IS  - 0
LA  - en
UR  - https://dergipark.org.tr/en/pub/iusfjm/issue//118168
L1  - https://dergipark.org.tr/en/download/article-file/100261
ER  -