Timeline for all types of items produced by
Roth, Marek

Year	Items
1990	3
1993	1
1994	3
2006	1
2012	1

9 items with a valid date were considered for this timeline (31.03% of the total)
20 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 12 items.
199?: 8 items.