000 00300nam a2200121Ia 4500
008 211209s1991 xx 000 0 und d
041 _aeng
082 _a720.28 N91 BUR
100 _aBURDEN, ERNEST
245 _aPERSPECTIVE GRID SOURCE BOOK
260 _aNEWYORK
_bVAN NOSTRAND
_c1991
300 _a190
999 _c28379
_d28379