Qualitative Analyse und Präparate in den chemischen Arbeitsgemeinschaften. 1961, (Ikke digitaliseret)
Nota sobre o problema da alteraçao da pedra em monumentos de interesse historico e artfstico. Lisboa 1961. 1961, Gomes, R.J., (Ikke digitaliseret)
Shearing strength of reinforced concrete slabs and footings under concentrated loads. 1961, Moe, J., (Ikke digitaliseret)
A bibliography of aerospace books and teaching aids for elementary school pupils and teachers. Compiled by National Aviation Education Council. Washington D.C. 1961. 1961, (Ikke digitaliseret)
Instrument abstracts. Compiled by the British scientific instrument research association (SIRA). 1961, (Ikke digitaliseret)
The physical principles of astronautics. Fundamentals of dynamical astronomy and space flight. 1961, Berman, A.I., (Ikke digitaliseret)
Space flight and re-entry trajectories. International symposium org.by the 1961, (Ikke digitaliseret)
English abstracts of selected articles from Soviet Bloc and Mainland China technical journals. Series 4 :Engineerin,s:(Aeronautical, civil,electrical,mechanical,nuclear, petroleum,and structural),machinery, and equipment. 1961, (Ikke digitaliseret)
Insulation levels and corona phenomena on H.VcDoCo transmission lines. 1961, Witt, H., (Ikke digitaliseret)
The two James's and the two Stephensons or the earliest history of passenger transit on railways by E.M.S.P. 1961, (Ikke digitaliseret)