000 00318nam a2200121Ia 4500
008 220216s9999 xx 000 0 und d
100 _aPerin R J
245 0 _aEffect of operating conditions on the life of rubber belts
260 _bIRI Transactions
_c1939
300 _a76-84
650 _aRubber belts
942 _cJS
999 _c58006
_d58006