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Number of items: **7**.

Grätzer, George A. and Lakser, Harry and Quackenbush, Robert W.:
*Congruence-preserving extensions of congruence-finite lattices to isoform lattices.*
Acta scientiarum mathematicarum, (75) 1-2.
pp. 13-28.(2009)

Grätzer, George A. and Lakser, Harry:
*Representing homomorphisms of congruence lattices as restrictions of congruences of isoform lattices.*
Acta scientiarum mathematicarum, (75) 3-4.
pp. 393-421.(2009)

Grätzer, George A. and Lakser, Harry:
*Subdirectly irreducible modular lattices of width at most 4.*
Acta scientiarum mathematicarum, (73) 1-2.
pp. 3-30.(2007)

Grätzer, George A. and Lakser, Harry and Wehrung, Friedrich:
*Congruence amalgamation of lattices.*
Acta scientiarum mathematicarum, (66) 1-2.
pp. 3-22.(2000)

Grätzer, George A. and Lakser, Harry and Wolk, Barry:
*On the lattice of complete congruences of a complete lattice : on a result of K. Reuter and R. Wille.*
Acta scientiarum mathematicarum, (55) 1-2.
pp. 3-8.(1991)

Grätzer, George A. and Lakser, Harry and Quackenbush, Robert W.:
*On the lattice of quasivarieties of distributive lattices with pseudocomplementation.*
Acta scientiarum mathematicarum, (42) 3-4.
pp. 257-263.(1980)

Chandran, V. R. and Lakser, Harry:
*Distributive lattices whose prime ideals are principal.*
Acta scientiarum mathematicarum, (39) 3-4.
p. 245.(1977)