DAVID, A.; STERMIN, A. N.; SEVIANU, E. Clutch Size and Egg Repeatability in Three Elusive Bird Species: Little Bittern (Ixobrychus minutus), Little Crake (Zapornia Parva) and Water Rail (Rallus Aquaticus) from North-West Romanian Populations. SUBB Biologia 2018, 63, 81-88.