Ⅰ. On The Numerical Computer Of The Integrals In The Blackman's Theory Of The Specific Heats Of Solid.(Blackman固體比熱理論中的積分之數值計算) Ⅱ. On The Derivation Of The Frequency Spectrum Of A Crystal From Specific Heat Measurement. (由比熱測定值導出固體頻率分佈函數之方法)