@book{402814, title = {Nomogramy s jednou pr\r usvitkou}, series = {GDML\_Books}, publisher = {Jednota \v Ceskoslovensk\'ych matematik\r u a fysik\r u}, address = {Praha}, year = {1947}, language = {cs}, url = {http://dml.mathdoc.fr/item/402814} }
Hruška, Václav. Nomogramy s jednou průsvitkou. GDML_Books (1947), http://gdmltest.u-ga.fr/item/402814/