Hegarty, Edward J. creator text Huntington, N.Y R. E. Krieger Pub. Co. 1981, c1957 monographic xiv, 312 p. : ill. ; 24 cm. by Edward J. Hegarty. Includes index. Reprint of the ed. published by McGraw-Hill, New York. 0 0 0 658_456000000000000_HEG 0 0 0 658_456000000000000_HEG Meetings. MCE 658.456 HEG 0898741157