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the heat conduction equation: / - 1 ed. - uk : open university 1972. - ", 44p.; 30 cm." - mst201 32 .
335 01122 5
515. 3 uni
the heat conduction equation: / - 1 ed. - uk : open university 1972. - ", 44p.; 30 cm." - mst201 32 .
335 01122 5
515. 3 uni