00349nam a2200097Ia 4500008004100000082002800041100002100069245011400090260003700204300001000241260922b        |||||||| |||| 00| 0 eng d  a338.476657(73)bB184.DN  aBalestra, Pietro  aDemand for natural gas in the United Statesb: a dynamic approach for the residential and commercial market /  aAmsterdam:bNorth-Holland,c1967  a153p.