Two-Dimensional Nuclear Magnetic Resonance Analysis of Hydrogen-Bond Formation in Thermosetting Crystalline Urea–Formaldehyde Resins at a Low Molar Ratio
1961 ◽
Vol 34
(3)
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pp. 451-452
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1969 ◽
Vol 47
(19)
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pp. 3655-3660
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1994 ◽
Vol 257
(2)
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pp. 189-215
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1993 ◽
Vol 232
(2)
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pp. 342-350
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1967 ◽
Vol 89
(25)
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pp. 6605-6611
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1994 ◽
Vol 20
(02)
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pp. 144-151
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