000 00271nam a22001097a 4500
082 _a503.21
_bPAR.M
100 _aS P Parker
245 _aMcGraw-Hill concise encyclopaedia of science and technology
250 _a2
260 _aNew York
_bMcGraw Hill
_c1987
942 _cBK
999 _c204002
_d204002