CRAWFORD R.J. (1998). PLASTIC ENGG: 3RD ED. BUTTERWORTH.
Chicago-čujuhus (17. p.)CRAWFORD R.J. PLASTIC ENGG: 3RD ED. OXFORD: BUTTERWORTH, 1998.
MLA-čujuhus (9. p.)CRAWFORD R.J. PLASTIC ENGG: 3RD ED. BUTTERWORTH, 1998.
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