00302nam a2200085Ia 4500008004100000041000800041100004100049245011700090260000900207230724s1999    xx                  und d  aeng  aSTEIN B. & REYNOLDS J & MCGUINNESS W  aMECHANICAL AND ELECTRICAL EQUIPMENT FOR BUILDINGS 7TH ED VOL I, PART 3, CHAPTER 7 TO 12 AND PART - 4 CHAPTER 13,  c1999