000 00316nam a2200121Ia 4500
082 _aE-503
245 _aMcGraw-Hill yearbook of science and technology,1974.
260 _aBerkley,P.A,New York,Tokyo etc
_bMcGraw Hill Pub.
_c1975
300 _a460p.
500 _aENG
890 _aUnited States
999 _c22454
_d22454