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https://link.springer.com/content/pdf/10.1007%2FBF00588443.pdf (Any fulltext)
https://doi.org/10.1007/BF00588443 (Any fulltext)
Abott, R. H., & Mannherz, H. G. (1970). Activation by ADP and the correlation between tension and ATPase activity in insect fibrillar muscle. Pflügers Archiv: European Journal of Physiology, 321, 223-232. doi:10.1007/BF00588443.