1. Removing formaldehyde from butynediol solutions, 1984;Bauer;Chem. Abstr.,1986
2. Removal of formaldehyde from aqueous solutions of 2-butyne-1,4-diol, 1981;Rebafka;Chem. Abstr.,1981
3. Process for removing formaldehyde from aqueous solutions of 2-butyne-1,4-diol, 1989;Merger;Chem. Abstr.,1989
4. Removal of formaldehyde from 1,4butynediol, 1964;Klein;Chem. Abstr.,1964
5. Purification of buytnediol solutions, 1966;Murenkov;Chem. Abstr. 69, 35414,1967