1-63. Chothia C, Levitt M and Richardson D. (1977) "Structure of proteins:Packing of α-helices and pleated sheets", Proceedings of the National Academy of
pjm/1102689567. Brown, D. J. (1979). A lower bound for on-line one-dimensional bin packing algorithms (Technical report). Coordinated Science Laboratory Report. Vol
Heike Haußner, Holger Schumann, An improved typology of cutting and packingproblems, European Journal of Operational Research 183 (2007) 1109–1130, ^ Tlilane