Mai Gehrke, Matt Insall, Klaus Kaiser. Some nonstandard methods applied to distributive lattices. Math. Log. Q., 36(2):123-131, 1990. [doi]
@article{GehrkeIK90, title = {Some nonstandard methods applied to distributive lattices}, author = {Mai Gehrke and Matt Insall and Klaus Kaiser}, year = {1990}, doi = {10.1002/malq.19900360205}, url = {http://dx.doi.org/10.1002/malq.19900360205}, researchr = {https://researchr.org/publication/GehrkeIK90}, cites = {0}, citedby = {0}, journal = {Math. Log. Q.}, volume = {36}, number = {2}, pages = {123-131}, }