Perry's chemical engineers'handbook.6th ed. Perry's chemical engineers'handbook.6th ed Chemical engineers'handbook.5th ed. Machanical engineers'handbook.6th ed. Mechanical eneineers'handbook.6th ed. Mechanical eneineers'handbook.6th ed Mechanical Engineers'Handbook.3rd ed. Cement engineers'handbook.4th ed. Subsidence engineers'handbook.2d ed. Mechanical engineers'handbook