@misc{zambresky_a_verification_1989, 
author={Zambresky, L.},
title={A verification study of the global WAM model: December 1987 - November 1988 (Technical Report No. 63)},
year={1989},
howpublished = {GKSS report},
note = {Zambresky, L.: A verification study of the global WAM model: December 1987 - November 1988 (Technical Report No. 63). GKSS 89-E-37. 1989.}}