| LC control no. | n 84126559 |
|---|---|
| Descriptive conventions | rda |
| Personal name heading | Vollmer, Helmut J. |
| Found in | His Spracherwerb und Sprachbeherrschung, c1982: t.p. (Helmut J. Vollmer) Kontroversen in der Fremdsprachenforschung, 1993: t.p. (Helmut Johannes Vollmer) |
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