@misc{wiltshire_the_fractionation_1989, 
author={Wiltshire, K. H.},
title={The fractionation of phosphorus in sediments of the river Elbe},
year={1989},
howpublished = {conference lecture: Hamburg (D);},
note = {Wiltshire, K.: The fractionation of phosphorus in sediments of the river Elbe. Irish-German Co-operation in Marine Science and Technology: Shannon-Elbe Workshop. Hamburg (D), 1989.}}