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- Baartman, P.J. (author), Bouwman, L.P. (author) report 1958
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- Bouwman, L.P. (author) report 1959
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- de Back, J. (author), Bouwman, L.P. (author) report 1959
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- de Back, J. (author), Bouwman, L.P. (author) report 1959
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- de Back, J. (author), Bouwman, L.P. (author) report 1960
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- de Back, J. (author), Bouwman, L.P. (author) report 1960
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- de Back, J. (author), Bouwman, L.P. (author) report 1960
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- de Back, J. (author), Bouwman, L.P. (author) report 1960
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Van der Burgh, A.J.P. (author), Bouwman, J.P. (author), Steffelaar, G.M.A. (author)The aging in the course of the years of asphaltic bitumen used in bituminous constructions has various causes. One of these, the action of oxygen, is the subject of this publication, although in particular the investigation relates to the rate and intensity of aging caused by the action of oxygen under pressure and without the presence of light....report 1960
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- de Back, J. (author), Bouwman, L.P. (author) report 1962
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- Bouwman, L.P. (author), de Back, J. (author) report 1963
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- de Back, J. (author), Bouwman, L.P. (author) report 1964
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- Bouwman, L.P. (author) report 1964
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- Bouwman, L.P. (author) report 1964
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- Bouwman, L.P. (author), Kuperus, A. (author) report 1965
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- de Back, J. (author), Bouwman, L.P. (author) report 1965
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- de Back, J. (author), Bouwman, L.P. (author) report 1967
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- Bouwman, L.P. (author) report 1967
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- Bouwman, L.P. (author) report 1970
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- Bouwman, L.P. (author) report 1970