| 作者 | Ronald L. Lavoie / American Gas Association. Committee on Domestic Gas Research / C. J. Langford / Expanded Shale, Clay and Slate Institute / H. P. Luhn / Institute of Shortening and Edible Oils. Technical Committee / Joint Committee on Science Teacher Recruitment / Patrick J. V. Delaney / Sabine River Authority / Willard Strode / Willie H. Amerson / Carl F. Speich / Donald Lee Dean / A. A. Putnam |
