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51 |
Bias due to non-availability in sampling surveys Birnbaum, Zygmunt William. - [S.l.] : [s.n.], [1950]
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52 |
Bücher-Briefe La Cruz, Chile : Albert Theile
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53 |
Classes of matrices and quadratic fields Taussky, Olga. - [S.l.] : [s.n.], 1950
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54 |
Comptes rendus [S.l.] : [s.n.], [1950]
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55 |
Current chronicle Sternfeld, Frederick William. - [New York] : Musical Quarterly, 1950
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56 |
Developments at the confluence of analytic boundary conditions Lewy, Hans. - Berkeley : Univ. of California Pr., 1950
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57 |
Die grossen Soehne Ferber, Edna. - Zürich : Steinberg-Verl., 1950
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58 |
Drei Anreden aus dem Lucrez Lucretius Carus, Titus. - [S.l.] : [s.n.], [1950]
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59 |
Early Italian nature studies and the early calendar landscape Pächt, Otto. - Worcester : Trinity Pr., [1950]
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60 |
Effect of linear truncation on a multinormal population Birnbaum, Zygmunt William. - [S.l.] : [s.n.], [1950]
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