00267nam a2200097Ia 450000500170000000800410001710000360005824500240009426000430011830000080016120260413100608.0230516s9999||||xx |||||||||||||| ||und||  aHowell john R & Buckiea Richard 0aFundamentals  engg.  bN York Mc Grew hill book companyc1987  a639