000 00310nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.016 D791
100 _aDRYDEN,I.G.C
245 0 _aEFFICIENT USE OF ENERGY
260 _aUK
_bI.P.C SCI.TECH.PRESS &INST.FUEL
_c1975
300 _a24X18
942 _cBK
_2DDC
999 _c17958
_d17958