000 00286nam a2200097Ia 4500
100 _aMcGraw Hill Book Company
245 _aMcGraw Hill Encyclopedia of Science and Technology Vol 12 Sab-Spin
260 _bMcGraw Hill Co, New York
082 _aAOaFk/N66.12/B08069
300 _app 619; 26*19
999 _c1521
_d1521