@article{10_1017_S0017089500009058,
     author = {Bordalo, G. and Priestley, H. A.},
     title = {Relative {Ockham} lattices: their order-theoretic and algebraic characterisation},
     journal = {Glasgow mathematical journal},
     pages = {47--66},
     year = {1990},
     volume = {32},
     number = {1},
     doi = {10.1017/S0017089500009058},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009058/}
}