Doklady Bolgarskoĭ Akademii Nauk
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
| | | | |
| 15 (1962) | 1 | ? | ? | ? |
| 17 (1964) | 3 | ? | ? | ? |
| 19 (1966) | ? | ? | ? | 1 |
| 20 (1967) | ? | ? | ? | 1 |
| 21 (1968) | ? | 1 | 1 | ? |