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21by PUBERT Bernard
[s.n.] 1972Thesis -
22by BOURHIS Yann
[s.n.] 1974Thesis -
23
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24
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25by LE LEYOUR Annie
[s.n.] 1975Thesis -
26
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27
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28
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29by PAILLE Yvon
[s.n.] 1973Thesis