Conference – 1990 Equation

B =nB K =nK I/Y=( n+d ) k * MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGceaqabeaaceWGcb GbauaacqGH9aqpcaWGUbGaamOqaaqaaiqadUeagaqbaiabg2da9iaa d6gacaWGlbaabaGaamysaiaac+cacaWGzbGaeyypa0ZaaeWaaeaaca WGUbGaey4kaSIaamizaaGaayjkaiaawMcaaiaadUgadaahaaWcbeqa aiaacQcaaaaaaaa@46AD@