000 00264nam a2200109Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a621.7
_bBRU-B
100 _aBRUINS PAUL F
245 0 _aBASIC PRINCIPLES OF ROTATIONAL MOULDING
260 _c1971
942 _2ddc
999 _c30557
_d30557