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51 |
Notes on the theory of estimation Lehmann, Erich L.. - Berkely, Calif. : Assoc. Students' Store, Univ. of California, 1950
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52 |
On the isoperimetric problem Levi, Friedrich. - Trichy [i. e. Trichinopoly] : St. Joseph's I[ndustrial] S[school] Pr., 1950
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53 |
On visualization of domains in the theory of functions of two complex variables Bergman, Stefan. - [Cambridge, Mass.] : [s.n.], [1950]
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54 |
Peace is everybody's business Ėrenburg, Ilʹja. - London : Soviet News Publ., 1950
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55 |
Proceedings of the Society for Experimental Biology and Medicine / Vol. 74. (1950)
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56 |
Psychologie der puberteitsjaren Buhler, Charlotte Malachowski. - Utrecht : Bijleveld, 1950, 2. druck.
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57 |
Recollections of Rubens Burckhardt, Jacob. - London : Phaidon Press, 1950
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58 |
Richard Strauss Erhardt, Otto. - Buenos Aires : Ricordi Americana, 1950
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59 |
Robert Stricker London : Ararat Publ. Society, 1950
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60 |
Short stories of Wilkie Collins Collins, Wilkie. - Emmaus, Pennsylvania : Story Classics, 1950
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