000 00348nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a820
245 0 _aEarth manual
260 _aNULL
260 _bC. B. S. Publishers And Dist.
260 _c1990
300 _a810p.
365 _b75
650 _aCIVIL
942 _cDBK
999 _c19874
_d19874