[ report an error in this record ]basket (0): add | show Labour productivity in ocean shipping, 1450–1875Lucassen, J.; Unger, R.W. (2000). Labour productivity in ocean shipping, 1450–1875. Int .J. Marit. Hist. 12(2): 127-141. https://dx.doi.org/10.1177/084387140001200208 In: International Journal of Maritime History. Maritime Studies Research Unit: St. John's. ISSN 0843-8714; e-ISSN 2052-7756, more Available in Authors VLIZ: Non-open access 343168 [ request ] Authors Top Lucassen, J. Unger, R.W. All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors