Authors: BREGNBALLE T FREDERIKSEN M GREGERSEN J

Citation: T. Bregnballe et al., SEASONAL DISTRIBUTION AND TIMING OF MIGRATION OF CORMORANTS PHALACROCORAX-CARBO SINENSIS BREEDING IN DENMARK, Bird study, 44, 1997, pp. 257-276

Authors: VANEERDEN MR GREGERSEN J

Citation: Mr. Vaneerden et J. Gregersen, LONG-TERM CHANGES IN THE NORTHWEST EUROPEAN POPULATION OF CORMORANTS PHALACROCORAX-CARBO-SINENSIS, Ardea, 83(1), 1995, pp. 61-79