AKESSON, T ALBROW, MG ALMEHED, S ANASSONTZIS, E BATLEY, R BENARY, O BOGGILD, H BOTNER, O BREUKER, H BRODY, H and BURKERT, V CALLEN, B CAROSI, R CARTER, AA CARTER, JR and CECIL, PC CHERNYATIN, V CHOI, Y CLELAND, WE DAGAN, S and DAHLJENSEN, E DAHLJENSEN, I DAM, P DAMGAARD, G and DOLGOSHEIN, B EIDELMAN, S EVANS, MW FABJAN, CW FRANDSEN, P FRANKEL, S FRATI, W GAVRILENKO, I GIBSON, MD and GOERLACH, U GOLOUBKOV, Y GORDON, H HANSEN, KH HEDBERG, V and HIDDLESTON, JW HOOPER, JE IOANNOU, P JARLSKOG, G and JEFFREYS, P JENSEN, T KALINOVSKY, A KANTSEROV, V and KATSANEVAS, S KESSELER, G KILLIAN, T KOURKOUMELIS, C and KROEGER, R KULKA, K VANDERLANS, J LINDSAY, J LISSAUER, D and LORSTAD, B LUDLAM, T MANNELLI, I MARKOU, A MAYBUROV, S MCCUBBIN, NA MJORNMARK, U MOLLER, R MOLZON, W and NEVSKY, P NIELSEN, BS OLSEN, LH OREN, Y PALMER, RB and PISKOUNOV, G RAHM, DC RESVANIS, LK ROSSO, E RUDGE, A and SCHUKRAFT, J SHMELEVA, A SIDOROV, V SPECHT, H STUMER, I and SULLIVAN, M THOMPSON, JA THORSTENSON, G VASILIEV, P and VELLA, E WILLIAMSON, J WILLIS, WJ WINIK, M WITZELING, W and WOODY, C ZAJC, WA, A COMPARISON OF DIRECT PHOTON, PI-O, AND ETA-PRODUCTION IN PPBAR AND PP INTERACTIONS AT THE CERN ISR, PHYSICS LETTERS B, (158), 282-288, 1985, ELSEVIER SCIENCE BV, 0370-2693