Cleaning and maintenance. Incorporating The cleaning and maintenance contractor. 1961, (Ikke digitaliseret)
Standard filing system and alphabetical index for filing information on the materials9 appliances, and equipment employed in construction and related activities,, Washington,D,Co,The American Institute of Architects. 1961o 1961, (Ikke digitaliseret)
Personnel administration. A point of view and a method. 1961, Pigors, P.; Myers, C.A., (Ikke digitaliseret)
High magnetic fields. Proceedings of the 1. international conference on high magnetic fields held at the 1961, (Ikke digitaliseret)
Catalogue of the types and sizes fo wooden packaging for fruit and vegetables used Of Europe. 1961, (Ikke digitaliseret)
Selected papers on stress analysis presented at The Institute of Physics Stress Analysis Group Conference, Delft 1959 1961, (Ikke digitaliseret)
Spændinger og deformationer i rotations symmetriske legemer. Udgivet som manuskript. 1961, Krogh, K., (Ikke digitaliseret)
Hansen,J.Brinch A model law for simultaneous primary and secondary consolidation. 1961, (Ikke digitaliseret)