000 00373nam a2200145Ia 4500
999 _c1021
_d1021
003 OSt
005 20210717153116.0
008 160331s1987 xx 000 0 und d
080 _aRef M7
100 _aParker, Sybil P (Ed)
245 _aMcGraw Hill encyclopedia of science and technology
260 _bMcGraw- Hill Book, New York
_c1987
300 _a690
942 _2udc
_cBK