Ullmann's Chemical Engineering and Plant Design – Vol. 1 Mathematics and Physics in Chem. Eng. - Fundamentals – Vol. 2 Plant and Process Design – Wiley-VCH
“ Knock, And He'll open the door. Vanish, And He'll make you shine like the sun. Fall, And He'll raise you to the heavens. Become nothing, And He'll turn you into everything. ” ― Rumi
