Kalarookimine masinate abil
Kalaasjandus
1921
/
11, lk. 255, 257, 259; 13, lk. 333, 335, 337; (1922) 16, lk. 63
Kalarookimine masinate abil
Kalaasjanduse kalender
1922
/
lk. 61-67 : joon