| LC control no. | n 83233887 |
|---|---|
| Personal name heading | Ringpfeil, Manfred |
| Found in | Symposium der Sozialistischen Länder (2nd : 1980 : Leipzig, Germany). Biotechnologie, 1982: t.p. (Manfred Ringpfeil) p. 29 (Akademie d. Wissenschaften d. DDR, Inst. f. Technische Chemie, Leipzig) LC data base, 11-7-83 (hdg.: Ringpfeil, Manfred) |
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