Seikeigeka

Articles in SafetyLit
Y-Axis = Volume :: X-Axis = Issue
?=unknown status :: X=no issue published :: nn=articles from issue :: A=relevant article(s) IDed to add
S=searched, nothing relevant :: O=issue published but not yet searched :: C=combination issue

		1	4	5	6	9	10	11	13	14

16 (1965)	2	?	?	?	?	1	?	?	1	1
17 (1966)	?	?	?	1	1	?	?	?	1	?
18 (1967)	?	?	3	?	1	?	?	1	1	?
20 (1969)	?	1	?	?	?	?	?	?	?	1
21 (1970)	?	?	1	?	?	?	1	4	?	?
22 (1971)	?	?	?	?	?	?	?	2	?	?