ZWR

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	2	3	4	5	6	9	10	11	18	19

81 (1972)	?	?	?	?	?	1	?	?	?	?	?
82 (1973)	?	?	?	?	1	?	?	?	?	?	?
83 (1974)	?	?	1	?	?	?	1	1	1	1	?
84 (1975)	?	?	?	1	?	?	?	?	?	?	?
87 (1978)	1	?	?	?	?	?	?	?	?	?	?
88 (1979)	?	?	?	?	?	?	?	?	?	?	1
95 (1986)	?	?	1	?	?	?	?	?	?	?	?
100 (1991)	?	1	?	?	?	?	?	?	?	?	?