000 00260nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a5+6(058)
_bMCG
245 0 _aMcGraw Hill yearbook of science and technology. 1978
260 _bMcGraw Hill
_c1974
942 _cBK
999 _c30429
_d30429