PIEPER, C. J. Tests on everyday problems in science. Unit 1-9. By C. J. Pieper and W. L. Beauchamp. © 3Oct27, A1009626-1009628; 9Nov27, A1012645-1012646; 12Dec27, A1017382-1017385. Charles John Pieper & Wilbur Lee Beauchamp (A); 29Jun55; R152020-152028.